Features:This listing includes a super small 5.8Ghz transmitter， it can transmit high quality video and audio signals.Small size and lightweight.Easy 8 channels for selection via the micro dip switches.with high gain antenna up to 5km (5000m) without any obstacles and interfering signal (Actual transmission distance depends on specific environment).Perfect for FPV model applications， very small and light to mount anywhere and a very long range.Specifications:Transmitter frequency: 5705-5945MHz; 8channelsOutput impedance: 50ohmHigh Output Power: 30dBm (typical)Frequency control: built-in frequency and phase lock loopDouble lines AV output: analog AV signal outputAntenna connector: SMA (Inside the needle)Power supply voltage: 7-15VSupply current: 750mAVideo bandwidth: 0~8.0MHzAudio frequency: 6.5MHzVideo input level: 0.8~1.2Vp-pVideo input impedance: 75ohmAudio input level: 0.5~2.0Vp-pAudio input impedance: 10K / OhmWorking frequency: CH1:5705， CH2:5685， CH3:5665， CH4:5645， CH5:5885， CH6:5905， CH7:5925， CH8:5945Item size: 7.7 * 2.7 * 3.0cm / 3.1 * 1.1 * 1.2inItem weight: 52g / 1.8ozPackage size: 22 * 6.0 * 4.0cm / 8.7 * 2.4 * 1.6inPackage weight: 100g / 3.6ozPackage List:1 * 5.8G 1000MW Wireless Transmitter1 * 2dBi Antenna for Transmitter1 * AV Cable for Transmitter1 * DC Cable for Transmitter