1. 7CH 700mW Wireless AV Transmitter, 2. Frequency:0.9G/1.2G/1.3G, 3 ... Range is 1~ 2 KM. 7CH 700mW Wireless AV Transmitter(ELP-WTR700)1. Transmit power:700mW. 2. Frequency:0 ... Effective Range:1~2 KM.6. Package:12CH receiver,transmitter,2antennas,TX cable,AV cable..Business items: Payment:We ... receive payment via western union, T/T ,PaypalQuality:1) all of ...