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: Black Transmission distance: Up to 4000 meters(without any obstacles and interfering signal) Signals transmitted/Receiver: Video and audio A/V Frequency: 5.8GHz A/V Demod Method: FM -RC305 Receiver Receive frequency: 5725-5865MHz; 8 channels Receiver sensitivity: -90dBm Frequency control:built-in frequency and phase lock loop Dual AV output: output analog audio and video signals directly Antenna connectors: inside the needle Material: aluminum alloy Supply voltage: 6.5-12V Supply current: 150mA Receiver size: 6.1 * 5.2 * 1.3cm / 2.4 * 2.0 * 0.5in Receiver weight: 53g / 1.9oz (with antenna) -5.8G AV transmitter Available channel: 8 channels Channel frequency: 5705MHz, 5685MHz, 5665MHz, 5645MHz, 5885MHz, 5905MHz, 5925MHz, 5945MHz Low power consumption: 12V 550mA Output impedance: 50ohm High output power: 27dBm (typical) Frequency control:built-in frequency and phase lock loop Dual AV output: output analog audio and video signals directly Transmitter size: Approx. 18 * 3.2 * 3.4cm / 7.1 * 1.5 * 1.3in Transmitter weight: 63g / 2.2oz (with antenna) -11dbi Aerial Frequency: 5600-5900MHZ Gain: 11dbi Horizontal radiation lobe: 45℃ Vertical radiation lobe: 30℃ Standing wave ratio: < 2.0 Input impedance: 50ohm Polarize way: Vertical Max. power: 50W Connector: RP-SMA Aerial size: 7.1 * 10.2 * 1.5cm / 2.9 * 4.2 * 0.8in Aerial weight: 31g / 1.1oz Total weight: 245g / 8.7oz Package List: 1 * 5.8G broadband AV Transmitter 1 * RC305 Wireless Receiver 1 * 11dbi Aerial Panel 1 * 2dbi Antenna for Transmitter 1 * 2dbi Antenna for Receiver 1 * AV Cable for Transmitter 1 * AV Cable for Receiver 1 * DC Cable for Transmitter 1 * DC Cable for Receiver