... 4G 2000mW wireless av transmitter kit Transmitting range:4000m in open fields. 2.4G 2000mW transmitter circuit(BL-620T)Feature:Cabinet bulk ... ,perfect shape,credibility,use for long distance AV transmitting.1. ... 4.Package Including:12 channel Receiver, transmitter,small antennas, AV cables, transmitter's power apdapter included.1.2GHz ...