DSP-FM Technology FM Radio Transmitter Module with Digital LED Display FM frequency 65MHz-125MHz for Wireless Audio Sound 12V 24V
Tax included.
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: This is only for reference, I tested under favorable conditions can reach 300 meters, usually covering a room absolutely can, in general is 50-200 meters
* Stereo separation: better than 36db
Package Inlcuded:
1 x DSP Technology FM Radio Transmitter Module LCD Display for Wireless Audio Sound
