DSP-FM Technology FM Radio Transmitter Module with Digital LED Display FM frequency 65MHz-125MHz for Wireless Audio Soun

Features Fully integrated DSP digital synthesizer FM transmitter module Crystal frequency stabilization never drift Sound quality than the class of 1417 to be on a grade Personal feeling behind professional radio station FM transmitter on the market is not a rival There are on board microphone high sensitivity can be heard throughout the room to speak Usage According to the figure connected audio cable antenna and finally power press the button to see the board to adjust the transmission frequency to display target frequency turn on the radio the input audio A total of two key board Press once to change the frequency is raised or lowered Do not increase or down and hold the release in 1 2 seconds the digital display off then press another button to release after all the keys LED lamp status change on the board indicating switching mono stereo success Press and hold the raised or lowered in 1 2 seconds the digital display re open the frequency changes rapidly until reach the desired frequency close to let go making fine tuning LED lights stereo LED lamp Mono Specifications Key idle for some time digital and stereo instructions reducing power consumption a display with keys or just energized for some time Power and memory frequency memory stereo mono transmission mode Transmitting frequency range 65 125MHz full band tunable stepping 0 1MHZ Audio input signal amplitude 10dbv Supply voltage 7V 25V wide range DC Transmission Distance Th