Conditional access module

1. Introduction   This FM stereo digital radio circuit board module has built-in DSP digital noise processing. When there is no signal, it will automatically mute and get rid of the noise of the traditional FM radio.   2.   Parameter   NO. Parameter Value 1 Output power 500mW (drive earphone), 3Wx2 (drive horn) 2 Frequency range 50Hz-18KHz  3 Receiving frequency range 87.0MHz-108.0MHz 4 Equivalent noise Greater than 30dB 5 Power supply voltage 3.0V-5.0V 6 Power supply current 1000mA at maximum volume, 60mA at minimum volume (for reference only) 7 Sound track Stereo       3. Using attention:   1>. The power supply voltage is strictly prohibited to exceed the power supply voltage range of this module. 2>. Do not touch the back part of the module when working, so as not to affect the normal work of this module or cause the short-circuit burn module.   4. Feature   1>. Advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation (PLL) make the sound quality more realistic, more stable performance, and long working frequency without deviation. 2>. LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference. 3>. 30 digital volume adjustment, with buttons, easy to operate. 4>. Automatically storage data before power off. 5>. Automatic switch of speaker/headphone output. 6>. Quartz crystal steady frequency, temperature change reception frequency, no longer drift. 7>. It uses professional audio DSP to analyze and process the audio signal, and automatically mute when there is no signal or weak signal. 8>. It uses incremental digital rotary encoder to adjust the volume and frequency, using the feel is good, positioning accuracy, stable and durable, 360 ° rotating without blind Angle. 9> Support serial communication control, available computer or MCU and other devices with serial ports to control all functions of the module.   5. Instruction   1>. Power supply Module corresponding port (marked on PCB board). “-” and “+” are the anode and cathode of the power (battery). The power supply is recommended for battery or other stabilized power supply.You cannot use a power supply without filter (such as mobile phone charger, mobile power supply, and other switching power supply), otherwise the interference caused by power supply will affect the normal work of this module. The normal working voltage of this module is 3.0-5.0V, not exceeding this range. At the maximum volume of the module, the maximum power supply current is around 1A, which requires the battery to output enough current. 2>. Antenna The FM_ANT port is used to connect the FM antenna. To better receive the FM signal, it is recommended to extend the antenna with a length of 75cm. 3>. Headset/speaker output This module is with 3WX2 channel audio amplifier. If the horn is needed, access the speaker port. It is recommended to use 4 Ω / 3 w speakers.If the headset is inserted, the audio will automatically switch to the headphone channel, and the speaker channel will be closed automatically. 4>. Volume Turn the VOL encoder to adjust the volume, while the LCD screen displays the volume series. 5>. Frequency regulation Turn the FRE encoder to adjust the reception frequency, while the LCD screen displays the current frequency, and press the encoder handle to the mute/non-mute switch. 6>. Mute Press the VOL knob to switch the mute/non-mute button down. 7>. AMCAP switch Long press the FRE knob to switch on or off the AMCAP, the LCD display subtitle ON means to turn on the AMCAP, and OFF means to turn off the AMCAP. 8>. AMCAP threshold adjustment(when the AMCAP switch on) Short press the FRE knob to AMCAP threshold adjustment interface, you can adjust the movement threshold of the AMCAP according to the specific usage situation. The adjustment range is 0-20. The higher the value is, the higher the threshold is, the easier the weak signal is to be silent. Vice versa. 9>. Serial port (without serial port control) The module reserved TTL level serial port control interface. TTL serial port and this module communication need to connect the module's UART_RX, UART_TX and GND (the corresponding position of PCB is marked). You can use the external MCU or the computer serial port to send the command control module related functions. Note: because the computer serial port is not TTL level, connect the computer communication, it is necessary to connect the RS323 level to TTL power leveling device or the USB TTL level serial port module to communicate with this module. This operation requires professionals. 10>. User Settings This module can set the backlight state according to the user's specific usage. When the power is off, press the FRE button to turn on, and the B0 indicates that the backlight is always bright. B0 indicates that the backlight is closed for 20 seconds, and the setting is effective after the restart. Change the Settings state to repeat this step to switch. The backlight has no operation for 20 seconds. 11>. Stereo /mono switch terminal. Stereo/mono terminals are used to set the FM receiving mode of the module. This terminal is suspended for Stereo reception mode, and it is a single channel receiving mode.   6. FM with squelch receiver module AT instruction: Baud rate: 38400 TTL level   No. Name Example Instruction Range Return position 1 Set current frequency point AT+FRE=875 current frequency point is 87.5MHz  870-1080 MHz Current frequency point/ERR 2 Frequency point-0.1MHZ AT+FRED     Current frequency point   Le 10-juil.-19 à 05:53:17 Paris, le vendeur a ajouté les informations suivantes:

1. Introduction   This FM stereo digital radio circuit board module has built-in DSP digital noise processing. When there is no signal, it will automatically mute and get rid of the noise of the traditional FM radio.   2.   Parameter   NO. Parameter Value 1 Output power 500mW (drive earphone), 3Wx2 (drive horn) 2 Frequency range 50Hz-18KHz  3 Receiving frequency range 87.0MHz-108.0MHz 4 Equivalent noise Greater than 30dB 5 Power supply voltage 3.0V-5.0V 6 Power supply current 1000mA at maximum volume, 60mA at minimum volume (for reference only) 7 Sound track Stereo       3. Using attention:   1>. The power supply voltage is strictly prohibited to exceed the power supply voltage range of this module. 2>. Do not touch the back part of the module when working, so as not to affect the normal work of this module or cause the short-circuit burn module.   4. Feature   1>. Advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation (PLL) make the sound quality more realistic, more stable performance, and long working frequency without deviation. 2>. LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference. 3>. 30 digital volume adjustment, with buttons, easy to operate. 4>. Automatically storage data before power off. 5>. Automatic switch of speaker/headphone output. 6>. Quartz crystal steady frequency, temperature change reception frequency, no longer drift. 7>. It uses professional audio DSP to analyze and process the audio signal, and automatically mute when there is no signal or weak signal. 8>. It uses incremental digital rotary encoder to adjust the volume and frequency, using the feel is good, positioning accuracy, stable and durable, 360 ° rotating without blind Angle. 9> Support serial communication control, available computer or MCU and other devices with serial ports to control all functions of the module.   5. Instruction   1>. Power supply Module corresponding port (marked on PCB board). “-” and “+” are the anode and cathode of the power (battery). The power supply is recommended for battery or other stabilized power supply.You cannot use a power supply without filter (such as mobile phone charger, mobile power supply, and other switching power supply), otherwise the interference caused by power supply will affect the normal work of this module. The normal working voltage of this module is 3.0-5.0V, not exceeding this range. At the maximum volume of the module, the maximum power supply current is around 1A, which requires the battery to output enough current. 2>. Antenna The FM_ANT port is used to connect the FM antenna. To better receive the FM signal, it is recommended to extend the antenna with a length of 75cm. 3>. Headset/speaker output This module is with 3WX2 channel audio amplifier. If the horn is needed, access the speaker port. It is recommended to use 4 Ω / 3 w speakers.If the headset is inserted, the audio will automatically switch to the headphone channel, and the speaker channel will be closed automatically. 4>. Volume Turn the VOL encoder to adjust the volume, while the LCD screen displays the volume series. 5>. Frequency regulation Turn the FRE encoder to adjust the reception frequency, while the LCD screen displays the current frequency, and press the encoder handle to the mute/non-mute switch. 6>. Mute Press the VOL knob to switch the mute/non-mute button down. 7>. AMCAP switch Long press the FRE knob to switch on or off the AMCAP, the LCD display subtitle ON means to turn on the AMCAP, and OFF means to turn off the AMCAP. 8>. AMCAP threshold adjustment(when the AMCAP switch on) Short press the FRE knob to AMCAP threshold adjustment interface, you can adjust the movement threshold of the AMCAP according to the specific usage situation. The adjustment range is 0-20. The higher the value is, the higher the threshold is, the easier the weak signal is to be silent. Vice versa. 9>. Serial port (without serial port control) The module reserved TTL level serial port control interface. TTL serial port and this module communication need to connect the module's UART_RX, UART_TX and GND (the corresponding position of PCB is marked). You can use the external MCU or the computer serial port to send the command control module related functions. Note: because the computer serial port is not TTL level, connect the computer communication, it is necessary to connect the RS323 level to TTL power leveling device or the USB TTL level serial port module to communicate with this module. This operation requires professionals. 10>. User Settings This module can set the backlight state according to the user's specific usage. When the power is off, press the FRE button to turn on, and the B0 indicates that the backlight is always bright. B0 indicates that the backlight is closed for 20 seconds, and the setting is effective after the restart. Change the Settings state to repeat this step to switch. The backlight has no operation for 20 seconds. 11>. Stereo /mono switch terminal. Stereo/mono terminals are used to set the FM receiving mode of the module. This terminal is suspended for Stereo reception mode, and it is a single channel receiving mode.   6. FM with squelch receiver module AT instruction: Baud rate: 38400 TTL level   No. Name Example Instruction Range Return position 1 Set current frequency point AT+FRE=875 current frequency point is 87.5MHz  870-1080 MHz Current frequency point/ERR 2 Frequency point-0.1MHZ AT+FRED     Current frequency point   Le 09-juil.-19 à 17:37:11 Paris, le vendeur a ajouté les informations suivantes:

1. Introduction   This FM stereo digital radio circuit board module has built-in DSP digital noise processing. When there is no signal, it will automatically mute and get rid of the noise of the traditional FM radio.   2.   Parameter   NO. Parameter Value 1 Output power 500mW (drive earphone), 3Wx2 (drive horn) 2 Frequency range 50Hz-18KHz  3 Receiving frequency range 87.0MHz-108.0MHz 4 Equivalent noise Greater than 30dB 5 Power supply voltage 3.0V-5.0V 6 Power supply current 1000mA at maximum volume, 60mA at minimum volume (for reference only) 7 Sound track Stereo       3. Using attention:   1>. The power supply voltage is strictly prohibited to exceed the power supply voltage range of this module. 2>. Do not touch the back part of the module when working, so as not to affect the normal work of this module or cause the short-circuit burn module.   4. Feature   1>. Advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation (PLL) make the sound quality more realistic, more stable performance, and long working frequency without deviation. 2>. LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference. 3>. 30 digital volume adjustment, with buttons, easy to operate. 4>. Automatically storage data before power off. 5>. Automatic switch of speaker/headphone output. 6>. Quartz crystal steady frequency, temperature change reception frequency, no longer drift. 7>. It uses professional audio DSP to analyze and process the audio signal, and automatically mute when there is no signal or weak signal. 8>. It uses incremental digital rotary encoder to adjust the volume and frequency, using the feel is good, positioning accuracy, stable and durable, 360 ° rotating without blind Angle. 9> Support serial communication control, available computer or MCU and other devices with serial ports to control all functions of the module.   5. Instruction   1>. Power supply Module corresponding port (marked on PCB board). “-” and “+” are the anode and cathode of the power (battery). The power supply is recommended for battery or other stabilized power supply.You cannot use a power supply without filter (such as mobile phone charger, mobile power supply, and other switching power supply), otherwise the interference caused by power supply will affect the normal work of this module. The normal working voltage of this module is 3.0-5.0V, not exceeding this range. At the maximum volume of the module, the maximum power supply current is around 1A, which requires the battery to output enough current. 2>. Antenna The FM_ANT port is used to connect the FM antenna. To better receive the FM signal, it is recommended to extend the antenna with a length of 75cm. 3>. Headset/speaker output This module is with 3WX2 channel audio amplifier. If the horn is needed, access the speaker port. It is recommended to use 4 Ω / 3 w speakers.If the headset is inserted, the audio will automatically switch to the headphone channel, and the speaker channel will be closed automatically. 4>. Volume Turn the VOL encoder to adjust the volume, while the LCD screen displays the volume series. 5>. Frequency regulation Turn the FRE encoder to adjust the reception frequency, while the LCD screen displays the current frequency, and press the encoder handle to the mute/non-mute switch. 6>. Mute Press the VOL knob to switch the mute/non-mute button down. 7>. AMCAP switch Long press the FRE knob to switch on or off the AMCAP, the LCD display subtitle ON means to turn on the AMCAP, and OFF means to turn off the AMCAP. 8>. AMCAP threshold adjustment(when the AMCAP switch on) Short press the FRE knob to AMCAP threshold adjustment interface, you can adjust the movement threshold of the AMCAP according to the specific usage situation. The adjustment range is 0-20. The higher the value is, the higher the threshold is, the easier the weak signal is to be silent. Vice versa. 9>. Serial port (without serial port control) The module reserved TTL level serial port control interface. TTL serial port and this module communication need to connect the module's UART_RX, UART_TX and GND (the corresponding position of PCB is marked). You can use the external MCU or the computer serial port to send the command control module related functions. Note: because the computer serial port is not TTL level, connect the computer communication, it is necessary to connect the RS323 level to TTL power leveling device or the USB TTL level serial port module to communicate with this module. This operation requires professionals. 10>. User Settings This module can set the backlight state according to the user's specific usage. When the power is off, press the FRE button to turn on, and the B0 indicates that the backlight is always bright. B0 indicates that the backlight is closed for 20 seconds, and the setting is effective after the restart. Change the Settings state to repeat this step to switch. The backlight has no operation for 20 seconds. 11>. Stereo /mono switch terminal. Stereo/mono terminals are used to set the FM receiving mode of the module. This terminal is suspended for Stereo reception mode, and it is a single channel receiving mode.   6. FM with squelch receiver module AT instruction: Baud rate: 38400 TTL level   No. Name Example Instruction Range Return position 1 Set current frequency point AT+FRE=875 current frequency point is 87.5MHz  870-1080 MHz Current frequency point/ERR 2 Frequency point-0.1MHZ AT+FRED     Current frequency point   Le 08-juil.-19 à 15:14:31 Paris, le vendeur a ajouté les informations suivantes:

1. Introduction   This FM stereo digital radio circuit board module has built-in DSP digital noise processing. When there is no signal, it will automatically mute and get rid of the noise of the traditional FM radio.   2.   Parameter   NO. Parameter Value 1 Output power 500mW (drive earphone), 3Wx2 (drive horn) 2 Frequency range 50Hz-18KHz  3 Receiving frequency range 87.0MHz-108.0MHz 4 Equivalent noise Greater than 30dB 5 Power supply voltage 3.0V-5.0V 6 Power supply current 1000mA at maximum volume, 60mA at minimum volume (for reference only) 7 Sound track Stereo       3. Using attention:   1>. The power supply voltage is strictly prohibited to exceed the power supply voltage range of this module. 2>. Do not touch the back part of the module when working, so as not to affect the normal work of this module or cause the short-circuit burn module.   4. Feature   1>. Advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation (PLL) make the sound quality more realistic, more stable performance, and long working frequency without deviation. 2>. LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference. 3>. 30 digital volume adjustment, with buttons, easy to operate. 4>. Automatically storage data before power off. 5>. Automatic switch of speaker/headphone output. 6>. Quartz crystal steady frequency, temperature change reception frequency, no longer drift. 7>. It uses professional audio DSP to analyze and process the audio signal, and automatically mute when there is no signal or weak signal. 8>. It uses incremental digital rotary encoder to adjust the volume and frequency, using the feel is good, positioning accuracy, stable and durable, 360 ° rotating without blind Angle. 9> Support serial communication control, available computer or MCU and other devices with serial ports to control all functions of the module.   5. Instruction   1>. Power supply Module corresponding port (marked on PCB board). “-” and “+” are the anode and cathode of the power (battery). The power supply is recommended for battery or other stabilized power supply.You cannot use a power supply without filter (such as mobile phone charger, mobile power supply, and other switching power supply), otherwise the interference caused by power supply will affect the normal work of this module. The normal working voltage of this module is 3.0-5.0V, not exceeding this range. At the maximum volume of the module, the maximum power supply current is around 1A, which requires the battery to output enough current. 2>. Antenna The FM_ANT port is used to connect the FM antenna. To better receive the FM signal, it is recommended to extend the antenna with a length of 75cm. 3>. Headset/speaker output This module is with 3WX2 channel audio amplifier. If the horn is needed, access the speaker port. It is recommended to use 4 Ω / 3 w speakers.If the headset is inserted, the audio will automatically switch to the headphone channel, and the speaker channel will be closed automatically. 4>. Volume Turn the VOL encoder to adjust the volume, while the LCD screen displays the volume series. 5>. Frequency regulation Turn the FRE encoder to adjust the reception frequency, while the LCD screen displays the current frequency, and press the encoder handle to the mute/non-mute switch. 6>. Mute Press the VOL knob to switch the mute/non-mute button down. 7>. AMCAP switch Long press the FRE knob to switch on or off the AMCAP, the LCD display subtitle ON means to turn on the AMCAP, and OFF means to turn off the AMCAP. 8>. AMCAP threshold adjustment(when the AMCAP switch on) Short press the FRE knob to AMCAP threshold adjustment interface, you can adjust the movement threshold of the AMCAP according to the specific usage situation. The adjustment range is 0-20. The higher the value is, the higher the threshold is, the easier the weak signal is to be silent. Vice versa. 9>. Serial port (without serial port control) The module reserved TTL level serial port control interface. TTL serial port and this module communication need to connect the module's UART_RX, UART_TX and GND (the corresponding position of PCB is marked). You can use the external MCU or the computer serial port to send the command control module related functions. Note: because the computer serial port is not TTL level, connect the computer communication, it is necessary to connect the RS323 level to TTL power leveling device or the USB TTL level serial port module to communicate with this module. This operation requires professionals. 10>. User Settings This module can set the backlight state according to the user's specific usage. When the power is off, press the FRE button to turn on, and the B0 indicates that the backlight is always bright. B0 indicates that the backlight is closed for 20 seconds, and the setting is effective after the restart. Change the Settings state to repeat this step to switch. The backlight has no operation for 20 seconds. 11>. Stereo /mono switch terminal. Stereo/mono terminals are used to set the FM receiving mode of the module. This terminal is suspended for Stereo reception mode, and it is a single channel receiving mode.   6. FM with squelch receiver module AT instruction: Baud rate: 38400 TTL level   No. Name Example Instruction Range Return position 1 Set current frequency point AT+FRE=875 current frequency point is 87.5MHz  870-1080 MHz Current frequency point/ERR 2 Frequency point-0.1MHZ AT+FRED     Current frequency point   Le 10-août-19 à 10:14:47 Paris, le vendeur a ajouté les informations suivantes:

1. Introduction   This FM stereo digital radio circuit board module has built-in DSP digital noise processing. When there is no signal, it will automatically mute and get rid of the noise of the traditional FM radio.   2.   Parameter   NO. Parameter Value 1 Output power 500mW (drive earphone), 3Wx2 (drive horn) 2 Frequency range 50Hz-18KHz  3 Receiving frequency range 87.0MHz-108.0MHz 4 Equivalent noise Greater than 30dB 5 Power supply voltage 3.0V-5.0V 6 Power supply current 1000mA at maximum volume, 60mA at minimum volume (for reference only) 7 Sound track Stereo       3. Using attention:   1>. The power supply voltage is strictly prohibited to exceed the power supply voltage range of this module. 2>. Do not touch the back part of the module when working, so as not to affect the normal work of this module or cause the short-circuit burn module.   4. Feature   1>. Advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation (PLL) make the sound quality more realistic, more stable performance, and long working frequency without deviation. 2>. LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference. 3>. 30 digital volume adjustment, with buttons, easy to operate. 4>. Automatically storage data before power off. 5>. Automatic switch of speaker/headphone output. 6>. Quartz crystal steady frequency, temperature change reception frequency, no longer drift. 7>. It uses professional audio DSP to analyze and process the audio signal, and automatically mute when there is no signal or weak signal. 8>. It uses incremental digital rotary encoder to adjust the volume and frequency, using the feel is good, positioning accuracy, stable and durable, 360 ° rotating without blind Angle. 9> Support serial communication control, available computer or MCU and other devices with serial ports to control all functions of the module.   5. Instruction   1>. Power supply Module corresponding port (marked on PCB board). “-” and “+” are the anode and cathode of the power (battery). The power supply is recommended for battery or other stabilized power supply.You cannot use a power supply without filter (such as mobile phone charger, mobile power supply, and other switching power supply), otherwise the interference caused by power supply will affect the normal work of this module. The normal working voltage of this module is 3.0-5.0V, not exceeding this range. At the maximum volume of the module, the maximum power supply current is around 1A, which requires the battery to output enough current. 2>. Antenna The FM_ANT port is used to connect the FM antenna. To better receive the FM signal, it is recommended to extend the antenna with a length of 75cm. 3>. Headset/speaker output This module is with 3WX2 channel audio amplifier. If the horn is needed, access the speaker port. It is recommended to use 4 Ω / 3 w speakers.If the headset is inserted, the audio will automatically switch to the headphone channel, and the speaker channel will be closed automatically. 4>. Volume Turn the VOL encoder to adjust the volume, while the LCD screen displays the volume series. 5>. Frequency regulation Turn the FRE encoder to adjust the reception frequency, while the LCD screen displays the current frequency, and press the encoder handle to the mute/non-mute switch. 6>. Mute Press the VOL knob to switch the mute/non-mute button down. 7>. AMCAP switch Long press the FRE knob to switch on or off the AMCAP, the LCD display subtitle ON means to turn on the AMCAP, and OFF means to turn off the AMCAP. 8>. AMCAP threshold adjustment(when the AMCAP switch on) Short press the FRE knob to AMCAP threshold adjustment interface, you can adjust the movement threshold of the AMCAP according to the specific usage situation. The adjustment range is 0-20. The higher the value is, the higher the threshold is, the easier the weak signal is to be silent. Vice versa. 9>. Serial port (without serial port control) The module reserved TTL level serial port control interface. TTL serial port and this module communication need to connect the module's UART_RX, UART_TX and GND (the corresponding position of PCB is marked). You can use the external MCU or the computer serial port to send the command control module related functions. Note: because the computer serial port is not TTL level, connect the computer communication, it is necessary to connect the RS323 level to TTL power leveling device or the USB TTL level serial port module to communicate with this module. This operation requires professionals. 10>. User Settings This module can set the backlight state according to the user's specific usage. When the power is off, press the FRE button to turn on, and the B0 indicates that the backlight is always bright. B0 indicates that the backlight is closed for 20 seconds, and the setting is effective after the restart. Change the Settings state to repeat this step to switch. The backlight has no operation for 20 seconds. 11>. Stereo /mono switch terminal. Stereo/mono terminals are used to set the FM receiving mode of the module. This terminal is suspended for Stereo reception mode, and it is a single channel receiving mode.   6. FM with squelch receiver module AT instruction: Baud rate: 38400 TTL level   No. Name Example Instruction Range Return position 1 Set current frequency point AT+FRE=875 current frequency point is 87.5MHz  870-1080 MHz Current frequency point/ERR 2 Frequency point-0.1MHZ AT+FRED     Current frequency point Le 30-août-19 à 13:44:50 Paris, le vendeur a ajouté les informations suivantes:

1. Introduction   This FM stereo digital radio circuit board module has built-in DSP digital noise processing. When there is no signal, it will automatically mute and get rid of the noise of the traditional FM radio.   2.   Parameter   NO. Parameter Value 1 Output power 500mW (drive earphone), 3Wx2 (drive horn) 2 Frequency range 50Hz-18KHz  3 Receiving frequency range 87.0MHz-108.0MHz 4 Equivalent noise Greater than 30dB 5 Power supply voltage 3.0V-5.0V 6 Power supply current 1000mA at maximum volume, 60mA at minimum volume (for reference only) 7 Sound track Stereo       3. Using attention:   1>. The power supply voltage is strictly prohibited to exceed the power supply voltage range of this module. 2>. Do not touch the back part of the module when working, so as not to affect the normal work of this module or cause the short-circuit burn module.   4. Feature   1>. Advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation (PLL) make the sound quality more realistic, more stable performance, and long working frequency without deviation. 2>. LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference. 3>. 30 digital volume adjustment, with buttons, easy to operate. 4>. Automatically storage data before power off. 5>. Automatic switch of speaker/headphone output. 6>. Quartz crystal steady frequency, temperature change reception frequency, no longer drift. 7>. It uses professional audio DSP to analyze and process the audio signal, and automatically mute when there is no signal or weak signal. 8>. It uses incremental digital rotary encoder to adjust the volume and frequency, using the feel is good, positioning accuracy, stable and durable, 360 ° rotating without blind Angle. 9> Support serial communication control, available computer or MCU and other devices with serial ports to control all functions of the module.   5. Instruction   1>. Power supply Module corresponding port (marked on PCB board). “-” and “+” are the anode and cathode of the power (battery). The power supply is recommended for battery or other stabilized power supply.You cannot use a power supply without filter (such as mobile phone charger, mobile power supply, and other switching power supply), otherwise the interference caused by power supply will affect the normal work of this module. The normal working voltage of this module is 3.0-5.0V, not exceeding this range. At the maximum volume of the module, the maximum power supply current is around 1A, which requires the battery to output enough current. 2>. Antenna The FM_ANT port is used to connect the FM antenna. To better receive the FM signal, it is recommended to extend the antenna with a length of 75cm. 3>. Headset/speaker output This module is with 3WX2 channel audio amplifier. If the horn is needed, access the speaker port. It is recommended to use 4 Ω / 3 w speakers.If the headset is inserted, the audio will automatically switch to the headphone channel, and the speaker channel will be closed automatically. 4>. Volume Turn the VOL encoder to adjust the volume, while the LCD screen displays the volume series. 5>. Frequency regulation Turn the FRE encoder to adjust the reception frequency, while the LCD screen displays the current frequency, and press the encoder handle to the mute/non-mute switch. 6>. Mute Press the VOL knob to switch the mute/non-mute button down. 7>. AMCAP switch Long press the FRE knob to switch on or off the AMCAP, the LCD display subtitle ON means to turn on the AMCAP, and OFF means to turn off the AMCAP. 8>. AMCAP threshold adjustment(when the AMCAP switch on) Short press the FRE knob to AMCAP threshold adjustment interface, you can adjust the movement threshold of the AMCAP according to the specific usage situation. The adjustment range is 0-20. The higher the value is, the higher the threshold is, the easier the weak signal is to be silent. Vice versa. 9>. Serial port (without serial port control) The module reserved TTL level serial port control interface. TTL serial port and this module communication need to connect the module's UART_RX, UART_TX and GND (the corresponding position of PCB is marked). You can use the external MCU or the computer serial port to send the command control module related functions. Note: because the computer serial port is not TTL level, connect the computer communication, it is necessary to connect the RS323 level to TTL power leveling device or the USB TTL level serial port module to communicate with this module. This operation requires professionals. 10>. User Settings This module can set the backlight state according to the user's specific usage. When the power is off, press the FRE button to turn on, and the B0 indicates that the backlight is always bright. B0 indicates that the backlight is closed for 20 seconds, and the setting is effective after the restart. Change the Settings state to repeat this step to switch. The backlight has no operation for 20 seconds. 11>. Stereo /mono switch terminal. Stereo/mono terminals are used to set the FM receiving mode of the module. This terminal is suspended for Stereo reception mode, and it is a single channel receiving mode.   6. FM with squelch receiver module AT instruction: Baud rate: 38400 TTL level   No. Name Example Instruction Range Return position 1 Set current frequency point AT+FRE=875 current frequency point is 87.5MHz  870-1080 MHz Current frequency point/ERR 2 Frequency point-0.1MHZ AT+FRED     Current frequency point   Le 30-août-19 à 11:05:14 Paris, le vendeur a ajouté les informations suivantes:

Neuftech CC1101 Wireless Module émetteur-récepteur sans fil RF Transceiver Module 387-464 MHz avec antenne externe pour Arduino Product Details Marque: Neuftech Moyenne des commentaires client: 5.0 étoiles sur 5 2 commentaires client Numéro du modèle de l'article: EU-CC1101 WireLess Module Modèle: CC1101; Matériel: PCB; Température de fonctionnement: 1.8-3.6V; courant maximal immédiat: Le bruit de phase est plus étroite afin d'améliorer les performances du canal de fréquence adjacente (ACP). Entrées plus élevées du niveau de saturation, une plus grande puissance de sortie. Extension de bande de fréquence continue; Fréquence de fonctionnement: (Module: 387-464 MHz); fréquence de fonctionnement standard: 433 MHz; vitesse de fonctionnement: 500 Kbps; Prise en charge de 2-FSK, GFSK et MSK modulation; 464 MHz de CC1101 Wireless Module RF Transceiver Module avec antenne externe pour Arduino Couleur: bleu Matériel: PCB Modèle: CC1101 Température de fonctionnement: 1.8-3.6V Fréquence de fonctionnement: (Module: 387-464MHZ) Immédiat courant maximal: puissance d'émission maximale: 10mW (+ 10dBm); Prise en charge de 2-FSK, GFSK et MSK modulation; Sensibilité du récepteur -110dBm à 1200 bauds; Min vitesse de travail: 1.2kbps;. Max: Les 500kbps;. Séparée RX 64 octets et TX données FIFO tampon; Le matériel incorporé de détection d'erreur de CRC assurer la fiabilité de la transmission de données Prend en charge la détection de RSSI force du signal et Carrier Sense Access; - Applicabilité: pour Arduino ou projet de DIY - Bruit de phase proche d'améliorer les performances du canal de fréquence adjacente (ACP). - Entrées plus élevées du niveau de saturation; puissance de sortie plus élevée. -Extension de bande de fréquence continue; (Module: 387-464 MHz); - Recommander à utiliser la fréquence de fonctionnement standard de 433 MHz (± 10 MHz). Le paquet inclut: 1x CC1101 RF Module 1x antenne externe

    100% Authentique    Livraison GRATUIT   Modèle: CC1101; Matériel: PCB; Température de fonctionnement: 1.8-3.6V; courant maximal immédiat: Le bruit de phase est plus étroite afin d'améliorer les performances du canal de fréquence adjacente (ACP). Entrées plus élevées du niveau de saturation, une plus grande puissance de sortie. Extension de bande de fréquence continue; Fréquence de fonctionnement: (Module: 387-464 MHz); fréquence de fonctionnement standard: 433 MHz; vitesse de fonctionnement: 500 Kbps; Prise en charge de 2-FSK, GFSK et MSK modulation;     464 MHz de CC1101 Wireless Module RF Transceiver Module avec antenne externe pour Arduino Couleur: bleu Matériel: PCB Modèle: CC1101 Température de fonctionnement: 1.8-3.6V Fréquence de fonctionnement: (Module: 387-464MHZ) Immédiat courant maximal: puissance d'émission maximale: 10mW (+ 10dBm); Prise en charge de 2-FSK, GFSK et MSK modulation; Sensibilité du récepteur -110dBm à 1200 bauds; Min vitesse de travail: 1.2kbps;. Max: Les 500kbps;. Séparée RX 64 octets et TX données FIFO tampon; Le matériel incorporé de détection d'erreur de CRC assurer la fiabilité de la transmission de données Prend en charge la détection de RSSI force du signal et Carrier Sense Access; - Applicabilité: pour Arduino ou projet de DIY - Bruit de phase proche d'améliorer les performances du canal de fréquence adjacente (ACP). - Entrées plus élevées du niveau de saturation; puissance de sortie plus élevée. -Extension de bande de fréquence continue; (Module: 387-464 MHz); - Recommander à utiliser la fréquence de fonctionnement standard de 433 MHz (± 10 MHz). Le paquet inclut: 1x CC1101 RF Module 1x antenne externe.   Merci de demander la disponibilitè des produits au magasin avant de passer la commande Livraison GRATUIT En France métropolitaine, Monaco, Belgique ou au Luxembourg en 2/4 jour        BUY NOW!     Paiement PayPal     Livraison GRATUIT En France métropolitaine, Monaco, Belgique ou au Luxembourg en 2/4 jour (dropshipping)   100% Genuine Fast Shipping Best Quality      

AASTRA 6731i Excellent condition comme neuf Fournit avec les cables originaux et l'alimentation originale. Le Mitel Aastra 6731i est un téléphone IP professionnel. Ce poste SIP multiligne offre des caractéristiques et des performances habituellement réservées à des produits plus chers. Equipé d'un écran LCD à 3 lignes, le 6731i prend en charge jusqu'à 6 lignes avec fonctions d’appel; il offre une compatibilité XML étendue pour un accès aux applications des clients et une totale interopérabilité avec les principales plates-formes de PBX IP. Grâce à un serveur d'options de configuration Aastra, des outils de développement XML et des améliorations continues du produit via des mises à jour du logiciel, le 6731i est le téléphone IP idéal pour un usage quotidien dans le marché des petites et grandes entreprises. Support XML Le téléphone Mitel Aastra 6731i est doté de fonctionnalités de navigateur XML permettant d' accéder à des prestations et applications sur mesure. Créez des applications de services internes pour personnaliser le 6731i en fonction de vos besoins spécifiques ou installer des applications verticales et CTI à l'aide de l'écran et du clavier. Gestion étendue des appels Avec sa capacité d’archivage étendue dans le répertoire personnel, des journaux des appels et des listes Bis, le Mitel Aastra 6731i 'améliore votre efficacité au travail en fournissant de nombreuses informations par simple appui sur une touche. De nombreuses fonctions sont disponibles: appel multiple, fonction de team (bridged line appearance), renvoi et transfert d’appels, appel en attente, intercom et conférence locale à trois... Qualité vocale remarquable Tous les téléphones IP des gammes 67xi sont équipés du mode mains libres en duplex intégral, garantissant une excellente qualité vocale dans les deux sens. Déploiement Simplifié: Les postes IP Mitel Aastra disposent de fonctions évoluées qui vous permettent des gains de temps considérables pour vos opérations de déploiement initial ou pour des mises à jour de vos configurations. Via un simple éditeur de texte, vous pouvez configurer vos postes individuellement ou de manière centralisée.   Caractéristiques techniques: Jusqu'à 6 lignes avec indication lumineuse d'appels Auto-alimenté PoE: Power over Ethernet (alimentation secteur en option - réf. AA5ALIM - en vente dans l'onglet "Accessoires") 2 ports Ethernet 10/100 Mbps Ecran LCD de 3 lignes avec identification d’appel Protocole SIP Navigateur XML pour personnaliser vos applications Fonction mains libres Full Duplex 8 touches programmables avec LED (4 touches préprogrammées) Alimentation externe (PoE non supporté) Connectez un casque et communiquez les mains libres en utilisant le port combiné Touche secret, bis Transfert d’appel, conférence à 3... Réglage du volume sur 2 touches Touche Services: donne accès aux services et options qui vous permettent de personnaliser votre téléphone Touche double appel: met en attente une communication pour prendre un double appel Affichage heure / date / durée d’appel Verrouillage clavier Fonctions de sécurité: Protection par mots de passe pour utilisateur et administrateur, cryptage des fichiers de configuration... Fixation murale possible Compatible aide auditive Livré avec Téléphone Mitel Aastra 6731i Combiné et cordon 2 x pieds Câble Ethernet Etiquettes pour touches programmables Kit de montage mural Documentation sur CD Documentation Technique Manuel d'utilisation Aastra 6731i Fiche constructeur Caractéristiques techniques GARANTIE 1 an Branchement sur ligne IP SIP libre Nombre de lignes possibles 6 Fonctionnalités principales Avec conférence à 3, Avec journal d'appels Touches fonction Avec touche mains libres Touches programmables 8 touches programmables Compatible module d'extension Incompatible au module d'extension Optimisé pour Microsoft Non optimisé Skype for business - Lync Réglage volume Contrôle du volume de la sonnerie, Contrôle du volume du haut parleur, Contrôle du volume sur le combiné Haut-Parleur Oui Mains libres Avec kit mains libres Prise casque Avec prise casque Type de prise casque RJ Qualité sonore Qualité sonore HD Auto-alimenté Autoalimenté Type d'alimentation Alimentation par transformateur, Alimentation POE, Autoalimenté par la ligne Ecran Avec écran Type d'écran Ecran en noir et blanc Taille de l'écran LCD 3 lignes Clavier Clavier numérique Couleur Anthracite Indicateur lumineux d'appel Avec indicateur lumineux d'appel Connectivité 2 ports RJ45 gigabit, Connexion prise casque Fixation murale Avec fixation murale Used but in great working condition. Phone is  factory defaulted and tested.  The Aastra 6731i offers exceptional features and flexibility in a enterprise grade IP telephone. With a sleek, elegant design and a compact footprint, this multi-line SIP telephone delivers the advanced features and performance traditionally found only in higher priced products. Featuring a 3 line LCD display, the 6731 supports up to 6 lines with call appearances, offers advanced XML capability to access custom applications and is fully interoperable with leading IP-PBX platforms. Brand: Aastra Use: Business Type: VoIP Connectivity: Corded Number of lines: 6 line Feature: With Speakerphone, With Caller ID

RARE Lance Johnson Engineering Kansas City KC Keyer KC-1 Excellent Condition, very clean and ready to use  Please see pictures and ask questions FREE RETURNS!! The KC1 Keyer/Frequency Counter The KC1 Keyer/Displayless Frequency Counter kit, designed and programmed by N6KR, is the perfect accessory for any QRP rig. This micro-miniature unit provides an Iambic keyer with message memory AND a Morse-code-output, universal frequency counter that reports your operating frequency to +/- 1kHz. The heart of the KC1 is a single chip, 18-pin microprocessor. The PC board is quite small--about 0.8" tall by 2.5" wide--and will work with the NorCal 40, 40A, and Sierra, as well as nearly any other QRP rig. Total current drain of the KC1 module is only 4mA, in keeping with the low-current philosophy of the Wilderness Radio product line. To simplify installation of the KC1, the Wilderness NorCal 40A and Sierra transceivers provide convenient access to all of the connection points needed. Also, the physical layout of the controls on the KC1 is compatible with both rigs. (There may be a special KC1-compatible front panel available for the '40A; contact Wilderness for more info.) The manual provides installation details for nearly all popular QRP rigs, including those from Heathkit, MJF, OHR, Small Wonders Labs, as well as rigs that have been published in QST or the ARRL Handbook. Specifications of the KC1 Keyer * 7 to 50WPM keyer w/the two most popular Iambic keying modes * multiple variable length message buffers, with a total of 50 characters of message memory and a word-repeat macro to save memory * user-settable weight and QSK delay * optional sidetone pitch (different from frequency/command mode pitch) Counter The frequency counter does not use a display. Instead, you press a button on the front panel to hear the frequency as three digits in Morse code. For example, if your operating frequency is 7.132MHz, you'll hear "132". The rig is not keyed when reporting the frequency; the KC1 generates an audio tone that is fed directly to the A.F. amplifier. Another feature of the counter is frequency search. If you press and hold the FREQ button a bit longer, you are prompted with an 'F', at which point you can enter a frequency to search for. As you turn the VFO knob, the KC1 alerts you when you reach approximately the desired frequency. The KC1 supports multiband rigs, too. You can program in up to four different VFO offsets, then use two pins on the board as band selection inputs. This is useful on rigs that cover both 80 and 40 meters, for example: you'll hear "000" as the band edge on 40 meters, and "500" as the band edge on 80 meters. Command Mode The KC1 also has a command mode, in which you can program the VFO offsets, keying weight, frequency reporting speed, and many other parameters. You use the keyer paddle to communicate with the KC1 in command mode, and the rig is not keyed--only an audio output is generated in this mode. Other Features The KC1 has a handkey input (for use in keying the rig and optional sidetone only--not for entering commands). It also has a user-definable logic-level control output. The 'A' command toggles this pin from ON (logic 1) to OFF (logic 0). You could use this to turn on a sharp CW filter, panel light, or anything else controllable with a digital signal. In effect, it gives you an extra panel switch.