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; 8channels Output impedance: 50ohm High Output Power: 30dBm (typical) Frequency control: built-in frequency and phase lock loop Double lines AV output: analog AV signal output Antenna connector: SMA (Inside the needle) Power supply voltage: 7-15V Supply current: 750mA Video bandwidth: 0~8.0MHz Audio frequency: 6.5MHz Video input level: 0.8~1.2Vp-p Video input impedance: 75ohm Audio input level: 0.5~2.0Vp-p Audio input impedance: 10K / Ohm Working frequency: CH1:5705, CH2:5685, CH3:5665, CH4:5645, CH5:5885, CH6:5905, CH7:5925, CH8:5945 Item size: 7.7 * 2.7 * 3.0cm / 3.1 * 1.1 * 1.2in Item weight: 52g / 1.8oz Package size: 22 * 6.0 * 4.0cm / 8.7 * 2.4 * 1.6in Package weight: 100g / 3.6oz Package List: 1 * 5.8G 1000MW Wireless Transmitter 1 * 2dBi Antenna for Transmitter 1 * AV Cable for Transmitter 1 * DC Cable for Transmitter