Transmitter: Video Format: Pal / NTSC; Output impedance: 50 Ohm; Output power: 21~23 dBm; Channels: 8; Transmitter operating voltage: DC 7.4~12.6V 200mA; Video bandwidth: 0~8.0MHz; Audio input impedance: 10K/Ohm; Audio input level: 0.5~2.0 Vp-p; Audio frequency: 6.5MHz; Antenna connector: SMA; Video input level: 0.8~1.2Vp-p; Video input impedance: 75 Ohm; Dimensions: 55 x 26 x 17mm; Net weight: 43g; Receiver: Video Format: Pal / NTSC; Output impedance: 50 Ohm; Output power: 21~23 dBm; Channels: 8; Transmitter operating voltage: DC 7.4~12.6V 200mA; Video bandwidth: 0~8.0MHz; Audio input impedance: 10K/Ohm; Audio input level: 0.5~2.0Vp-p; Audio frequency: 6.5MHz; Antenna connector: SMA; Video input level: 0.8~1.2Vp-p; Video input impedance: 75 Ohm; Dimensions: 55 x 26 x 17mm; Net weight: 25g