... >Direct factory OEM >9CH Transmit >R&D 2.4g wireless transmitters with 5.8G 9 Channel 200mw 400m unobstructive range ... 5.Unobstructive Effective Range:400m6.Package:12CH receiver,transmitter,2 antennas,2 AV cablesSpeification: 9CH 5.8G 200mW Wireless AV ... degree ~ +50 degreeTx Dimension53*41*14mmPackage included12CH receiver, transmitter, 2 antennas, AV cable, TX cable, Installing Manual Leading time: ...