This 40 Channel 5.8GHz AV wireless receiver has high power, designed for all kinds of drones.Specification: Power Supply: DC 12V Working Frequency: 5.8GHz Sensitivity: >90 dBm Type Standard: NTSC/PAL Consumption Current: 200mA, Max Receiver connector: RP SMA female Antenna connector: RP SMA male Available Channel: 40CH Antenna Gain: 2dbi Audio Carrier: 6.5MHz Audio Output Level: 1.0 Vp-p Typ 10 K Ohm Antenna impedance: 50 Ohm Antenna Input Impedance: 50 Ohm TYP Video impedance: 75 Ohm Video Format : NTSC/PAL Video Output Level: 1.0 Vp-p Typ 75 Ohm Dimension: 80x65x15mm Weight: 85g Dimension (LXWXH): 3.15X2.56X0.59 inchesPackage: 1 x WR832 5.8GHz 40CH FPV Receiver 1 x Antenna 1 x Power cable 1 x AV cable 1 x User manualNotice: Please get a 12V lipo battery for the receiver. We do not suggest over-voltage battery or car battery. Please plug antenna before powering up, otherwise static electricity will damage the product.Wolfwhoop is never good at brand promotion, the only thing we do is manufacturering. Wolfwhoop promise that every piece of product you bought from our store is made by Wolfwhoop self-owned factory. Keep real, keep factory direct. Save money, fly better. Please feel free to contact us if you have new ideas for fpv products.