The TY-1500mW is a 1.2GHz portable wireless AV transmitter and receiver with a maximum transmit power of 1500mW, supporting 15 channels and a transmission distance of 700-1000 meters in an open environment. It operates between 983-1280MHz frequency, with DC 12V power and dimensions of 80*50*18mm for the transmitter and 116*80*21mm for the receiver.