Specifications: Transmitter frequency: 5645~5945MHz; 8-CH; Transmitting Power: 500mW / 27dBm; Transmitting distance: >5000m (opening area); Frequency control: Built-in frequency and phase lock loop; AV input:analog AV signal input; ANT connector: SMA (inside the needle); Power supply: DC 7~14V; Current supply: 600mA; Size: 68 x 26 x 28mm; Gross weight: 65g; The main characteristics of the transmitter: 5.8GHZ video / audio synchronization transmission; Compact structure small size transmit power - LSI high reliability; 8-channel DIP switch to select the set; High reliability stability; The use of digital phase-locked loop circuit no temperature drift phenomenon; Working frequency: CH1 / CH5: 5705 / 5885MHz; CH2 / CH6: 5685 / 5905MHz; CH3 / CH7: 5665 / 5925MHz; CH4 / CH8: 5645 / 5945MHz;