Brand N/A Model TX51W Quantity 1 Piece(s)/pack Color Silver + black + blue Material Aluminum alloy Compatible device R/C helicopter Functions Transmit Other Feature Frequency of each channels: CH1: 5705MHz CH2: 5685MHz CH3: 5665 MHz CH4: 5645 MHz CH5: 5885 MHz CH6: 5905 MHz CH7: 5925 MHz CH8: 5945MHz. 5.8GHz video / audio synchronous transmission (compatible with PAL and NTSC) transmitted power: 100mW working voltage: DC 7.4~13V working current: 550mA. With option DIP switch built-in frequency and phase lock loop low harmonic radiation high reliability and stable use digital phase-locked loop circuit. No temperature drift phenomenon. Packing List 1 x 5.8G 1000mW transmitter 1 x Antenna 1 x JST cable(about 25cm) 1 x Connecting line(about 20.5cm) 1 x Power out Video out Audio out harness(about 33.5cm)