0.2 watts whole house coverage strong signal radio station or car with battery.
I bought this as can be used any place.
FM Transmitter: Using professional transmitting transistors, it gives excellent audio quality. The audio port and microphone port are independent from each other, the input signal will be processed independently too, this decrease the loss of sound quality in a large extent 3.5mm AUX input : transmit music(also support TF card) from your smart phone, computer, MP3 or CD player Special Antenna: The noise is ?60dB, achieving professional standard. This can avoid the interference to surround environment Powered by 1000mAh Li-on battery: and comes with 4 levels of power output: 0.01mW, 10mW, 100mW, 200mW Designed with Stereo and Mono audio output, both line-in and microphone volume is adjustable by pressing the button on the case,especially suitable for application area such as tourism, meeting room, campus, driving school, teaching stadium, etc