YH-902 small transmitter

YH-902 small transmitter: Can clearly receive the signal in the ideal range of 50 meters. and can connect the MP3 to transmit the MP3 content. When speech or recording the guests can move around.suitable for tour, museum speech and small meeting room speech. *using for tour , we could usingFM radios to receive signal. *using for museum speech and small meeting room speech,we could using indoor FM speaker to receive the signal.So we could set 2 or 3pcsthe same receive signal indoor FM speaker.When you arespeech that indoor FM speaker will broadcasting. System features: 1.beautiful appearance, small size, easy totaking on waist. 2.Using 3.6V rechargeable lithium battery supply power . 3.Fixed point frequency to transmit,so you could choose one of signal from 38MHZ —108MHZ 4.frequency is more stable, the launch distance 50M to 100M. transmitter ModelYH-902Net WeightDimensions100X65X22mmInput VoltageDC3.6VLi-ionConsume Power120mWOutput Power100mWS/N Ratio>50dBTHD<2%Hurmonic Distortion-60dBFreq.Response80-10000HzModulate±75KHzStablilization1X10-6FM Frequencyone of 38-108MHz