WSDMAVIS 1Pcs Digital Wireless Microphone Stereo FM Transmitter Module DSP PLL 76-0-108-0MHz Multi-Function Frequency Modulation with LCD Display

Features: Output power: 100mW Audio Frequency Range: 50Hz-18KHz Transmission Frequency: 76.0MHz-108.0MHz Frequency adjustment step: 0.1MHz / second (short key press), 1.0MHz / time (long button press) Modulation modes: standard FM FM Channel: LINE / USB channel (stereo), MIC channel (mono) Equivalent noise: ?30dB (sound close to CD quality) Supply voltage: DC 3.0V-5.0V Operating Current: 35mA Settings: Setting of backlight LED mode: When the power is off, press the “FRE-” and “FRE+” button at the same time to start up. B1 indicates always bright. B0 indicates that the backlight is closed for 20 seconds, and the reset setting takes effect. (the factory defaults to 20 seconds of backlight delay). Start/close the campus radio frequency band: Press VOL+ and VOL- key at the same time, and then connect the power supply. LCD displays C1, which means to start the campus broadcast(76-87mhz). C0 means closing the campus radio frequency band.Take effect after restart. (the factory defaults to close the campus radio frequency band). Settings of stereo/mono transmission mode: The back of the module has two solder joints M,G. Short connecting is the monophonic launch. Disconnecting these two points is the stereo system launch. (the factory defaults to stereo system launch).Note: the stereo system must satisfy the input to the module's audio source is stereo and the radio is also stereo to achieve the stereo effect. When using a single speaker (monophonic) radio or input to the module's audio signal as mono, there is no stereo. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 1pcs