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DSP and PLL 87-108MHz Digital Stereo FM Radio Receiver Module Support Serial Port Control

<div>Welcome to our store! We hope you have a wonderful shopping experience!</div>

<ul><li>Features: 
Advanced digital audio signal processing (DSP) and FM phase-locked loop modulation technique (PLL) ensure less sound distortion and more stable performance. 
LCD display is more intuitive and accurate, and has very low power consumption and tiny noise interference. 
Automatic store data when the power is out. 
Automatic switching between speaker and earphone output. 
Using quartz crystal for frequency stabilization, and receiving frequency will not drift when temperature changes. 
Using professional audio DSP to process and analyze audio signal, auto mute when there is no signal or week signal as big FM base noise, in order to get rid of the annoying rustle of traditional FM radio. 
Using incremental digital 360° rotating encoder to adjust volume and frequency, which is accurate, stable, sturdy 
, and also offers comfortable hand feeling. 
30-class digital volume adjustment range. 
Support serial communication control, so you can use computer, MCU and other equipment with serial port to control module. 
Specifications: 
Output Power: 500mW (drive earphone), 3Wx2 (drive speaker) 
Frequency Response: 50Hz to 18KHz 
Receiving Frequency Range: 
87.0MHz to 108.0MHz(close campus broadcast), 
76.0MHz to 108.0MHz(open campus broadcast) 
Equivalent Noise: ≥30dB 
Input Current: 1000mA at maximum volume, 60mA at minimum volume (for reference only) 
Channel: Stereo 
Size: 75 x 45 x 30mm / 2.95 x 1.77 x 1.18" 
Screen Size: 25 x 16mm / 0.98 x 0.63" 
Instruction: 
1, Use battery or regulated power supply as power source.Switch-mode power supply without filter such as power bank, phone charger can NOT be used because the interference of switch-mode power supply will affect this module. 
2, FM_ANT port is used to connect FM antenna, in order to receive a better FM signal. 75cm telescopic antenna is recommended. 
4, Rotate VOL encoder to adjust volume, and LCD will display the volume value at the same time. 
5, Rotate FRE encoder to adjust receiving frequency, and at the same time, the LCD screen displays the real-time frequency. 
6, Press the VOL encoder to mute/unmute. 
7, Press and hold FRE encoder to turn on/off automatic noise reduction function. LCD will display ON or OFF. 
8, Automatic noise reduction threshold is adjustable only when automatic noise reduction function is turned on. 
Press FRE encoder to enter automatic noise reduction threshold adjustment interface, and the adjusting range is from 0 to 20. The higher the threshold is, the easier the weak signal is muted. 
10, Press and hold VOL encoder then power on to set campus broadcast, and if module displays "C1", campus broadcast will be open,; if it displays "C0", campus broadcast will be close. Restart module to enable setting(default "C0"). Press and hold FRE encoder then power on to set backlight, and if module displays "B1", backlight will be turned on always; if it displays "B0", backlight will be turned on for 20 seconds then off. Restart module to enable setting(default "B0"). 
11, Stereo/mono terminals are used to set receiving mode. Connecting them is single channel receiving mode and disconnecting them is stereo receiving mode. When there is weak single and too much base noise, you can use this function and switch to single channel in order to improve the SNR of radio and make the radio sound clearer. 
Note: 
This kit requires certain professional knowledge and ability, please make sure you know how to use it. We cannot provide any technical service. 
Package Includes: 
1 x Module (Antenna 
is not included) 
.</li></ul>

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Features: 
Advanced digital audio signal processing (DSP) and FM phase-locked loop modulation technique (PLL) ensure less sound distortion and more stable performance. 
LCD display is more intuitive and accurate, and has very low power consumption and tiny noise interference. 
Automatic store data when the power is out. 
Automatic switching between speaker and earphone output. 
Using quartz crystal for frequency stabilization, and receiving frequency will not drift when temperature changes. 
Using professional audio DSP to process and analyze audio signal, auto mute when there is no signal or week signal as big FM base noise, in order to get rid of the annoying rustle of traditional FM radio. 
Using incremental digital 360° rotating encoder to adjust volume and frequency, which is accurate, stable, sturdy 
, and also offers comfortable hand feeling. 
30-class digital volume adjustment range. 
Support serial communication control, so you can use computer, MCU and other equipment with serial port to control module. 
Specifications: 
Output Power: 500mW (drive earphone), 3Wx2 (drive speaker) 
Frequency Response: 50Hz to 18KHz 
Receiving Frequency Range: 
87.0MHz to 108.0MHz(close campus broadcast), 
76.0MHz to 108.0MHz(open campus broadcast) 
Equivalent Noise: ≥30dB 
Input Current: 1000mA at maximum volume, 60mA at minimum volume (for reference only) 
Channel: Stereo 
Size: 75 x 45 x 30mm / 2.95 x 1.77 x 1.18" 
Screen Size: 25 x 16mm / 0.98 x 0.63" 
Instruction: 
1, Use battery or regulated power supply as power source.Switch-mode power supply without filter such as power bank, phone charger can NOT be used because the interference of switch-mode power supply will affect this module. 
2, FM_ANT port is used to connect FM antenna, in order to receive a better FM signal. 75cm telescopic antenna is recommended. 
4, Rotate VOL encoder to adjust volume, and LCD will display the volume value at the same time. 
5, Rotate FRE encoder to adjust receiving frequency, and at the same time, the LCD screen displays the real-time frequency. 
6, Press the VOL encoder to mute/unmute. 
7, Press and hold FRE encoder to turn on/off automatic noise reduction function. LCD will display ON or OFF. 
8, Automatic noise reduction threshold is adjustable only when automatic noise reduction function is turned on. 
Press FRE encoder to enter automatic noise reduction threshold adjustment interface, and the adjusting range is from 0 to 20. The higher the threshold is, the easier the weak signal is muted. 
10, Press and hold VOL encoder then power on to set campus broadcast, and if module displays "C1", campus broadcast will be open,; if it displays "C0", campus broadcast will be close. Restart module to enable setting(default "C0"). Press and hold FRE encoder then power on to set backlight, and if module displays "B1", backlight will be turned on always; if it displays "B0", backlight will be turned on for 20 seconds then off. Restart module to enable setting(default "B0"). 
11, Stereo/mono terminals are used to set receiving mode. Connecting them is single channel receiving mode and disconnecting them is stereo receiving mode. When there is weak single and too much base noise, you can use this function and switch to single channel in order to improve the SNR of radio and make the radio sound clearer. 
Note: 
This kit requires certain professional knowledge and ability, please make sure you know how to use it. We cannot provide any technical service. 
Package Includes: 
1 x Module (Antenna 
is not included) 
.

DSP and PLL 87-108MHz Digital Stereo FM Radio Receiver Module Support Serial Port Control

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