Features:This listing includes a super small 5.8Ghz 8CH Receiver， a very small 5.8Ghz transmitter， and a 11dbi aerial panel， it can transmit high quality video and audio signals.Perfect for FPV model applications， very small and light to mount anywhere and a very long range.With high gain antenna up to 4km (4000m) without any obstacles and interfering signal (Actual transmission distance depends on specific environment).It includes all cables to connect to power sources and video sources， just use your own camera of choice.Specifications:Color: BlackTransmission distance: Up to 4000 meters(without any obstacles and interfering signal)Signals transmitted/Receiver: Video and audioA/V Frequency: 5.8GHzA/V Demod Method: FM-RC305 ReceiverReceive frequency: 5725-5865MHz; 8 channelsReceiver sensitivity: -90dBmFrequency control:built-in frequency and phase lock loopDual AV output: output analog audio and video signals directlyAntenna connectors: inside the needleMaterial: aluminum alloySupply voltage: 6.5-12VSupply current: 150mAReceiver size: 6.1 * 5.2 * 1.3cm / 2.4 * 2.0 * 0.5inReceiver weight: 53g / 1.9oz (with antenna)-5.8G AV transmitterAvailable channel: 8 channelsChannel frequency: 5705MHz， 5685MHz， 5665MHz， 5645MHz， 5885MHz， 5905MHz， 5925MHz， 5945MHzLow power consumption: 12V 550mAOutput impedance: 50ohmHigh output power: 27dBm (typical)Frequency control:built-in frequency and phase lock loopDual AV output: output analog audio and video signals directlyTransmitter size: Approx. 18 * 3.2 * 3.4cm / 7.1 * 1.5 * 1.3inTransmitter weight: 63g / 2.2oz (with antenna)-11dbi AerialFrequency: 5600-5900MHZGain: 11dbiHorizontal radiation lobe: 45℃Vertical radiation lobe: 30℃Standing wave ratio: < 2.0Input impedance: 50ohmPolarize way: VerticalMax. power: 50WConnector: RP-SMAAerial size: 7.1 * 10.2 * 1.5cm / 2.9 * 4.2 * 0.8inAerial weight: 31g / 1.1ozTotal weight: 245g / 8.7ozPackage List:1 * 5.8G broadband AV Transmitter1 * RC305 Wireless Receiver1 * 11dbi Aerial Panel1 * 2dbi Antenna for Transmitter1 * 2dbi Antenna for Receiver1 * AV Cable for Transmitter1 * AV Cable for Receiver1 * DC Cable for Transmitter1 * DC Cable for Receiver