2 Pieces Digital FM Transmitter Module Stereo FM Transmitter DSP PLL 76.0-108...

Description

2 Pieces Digital FM Transmitter Module Stereo FM Transmitter DSP PLL 76.0-108.0MHz Stereo Frequency Modulation with LCD Display Line/USB/Mic Input, DC 3.0V - 5.0V
Good performance: thanks to the DSP and PLL technology, these multi-functional stereo FM transmitter modules can provide you with quality stereo
Practical design: the FM transmitter module has a blue backlit LCD display, allowing you to clearly see the value in a dark environment; The power consumption is extremely low, and noise interference is small
Suitable for: this digital FM transmitter supports line/USB/mic channel input, its transmitting frequency range is 76.0~108.0 MHz, and the frequency response range is from 50 Hz to 18 KHz; Frequency adjustment stepping is 0.1 MHz/ times when short press the key and 1.0 MHz/ times for long press
Wide uses: the digital FM transmitter module can be applied to FM wireless, USB PC broadcast, maternal and child monitoring, wireless microphone and much more
Warm notice: please confirm whether the power polarity and power voltage are correct before turning on the power; If the input voltage exceeds 5V or the positive and negative poles of the power supply are connected reversely, it may cause permanent destroy to the module; Do not touch the components on the back of the module while working, so as not to affect the normal operation of the module
2 Pieces digital FM transmitter module FM transmitter stereo frequency modulation DSP PLL 76.0 -108.0MHz multi-function frequency modulation with LCD display LINE/USB/MIC Input DC 3.0v-5.0v User-defined settings: Setting about the backlit LED mode: After turning off the power, press and hold the up and down radio buttons at the same time to turn on the . B1 means that the backlight is always on, and B0 means that the backlight is off for 20 seconds. The settings will take effect after restarting. (The factory default setting is to turn off the backlight after 20 seconds) 2.Turn on/off campus broadcast frequency band: When turning off the power, press and hold the "VOL +", "VOL-" keys and turn on the power C1 on the LCD display to turn on the campus broadcast, and turn off C0 to turn off the campus broadcast, the setting will take effect after restarting. (The factory default setting is to close the campus broadcast frequency band) 3. Settings of stereo/mono transmission mode: There are 2 solder joints M and G on the back of the module. The short connection is a single tone transmission, and the disconnection of these 2 points is the start of the stereo system. (The factory default is stereo system startup). Specifications: Power supply voltage: DC 3.0v - 5.0v Output Power: 100mW Equivalent noise: >=30dB Operating current: 35mA Modulation mode: standard FM Adaptive antenna: 75 cm bar antenna Transmission frequency: 88.0~108.0 MHz Frequency response range: 50~18 KHz Sound track: line/USB channel (stereo); Mic channel (single channel) Transmission frequency: 76.0~108.0 MHz (campus broadcast: 76.0~87.0 MHz) Frequency adjustment stepping: 0.1 MHz/ times (short press the key); 1.0 MHz/ times (long press the key) Package includes: 2 x Digital FM transmitter module Note: The stereo system must meet the input stereo requirements of the module
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