Digital LCD Dual Channel FM Stereo Transmitter Wireless Audio Transmission Module Frequency 76MHz-108MHz with Antenna DC

Features Transmitter module stereo transmitter IC stereo transmission can also input only monoThe transmission frequency covers China Japan Europe FM band 78MHz to 108MHz adjustable input coupling and signal coding through the precision algorithm design the sound is demodulated and played back whether high or low there is first class performance the sound quality is very Well the distortion rate and signal to noise ratio have already met the national standard and have reached the broadcast standard Specifications Working voltage DC 3V 16VWorking current 17mASize 49 x 31mm Function Description 2 channel FM stereo transmission Power off memory function Working frequency display Input volume and transmission frequency are adjustable Support wide voltage supply Working current small emission efficiency high power supply durable Restore factory settings Ultra low back noise Instructions for Use Key short press frequency reduction 0 1MHz key Short press increase the frequency by 0 1MHz long press restore factory settings VOL button long press enter the input volume adjustment state a total of 5 files through the button to adjust Press any key to wake up the backlight After the backlight is on for 30 seconds it will automatically go out LCD screen no operation for 3 minutes automatically turn off the display Instructions for Volume Adjustment The audio signal input has 5 volume the 1st volume is the smallest the 5th volume