Transmitter:Product size:54 x 32 x 9mm/2.1 x 1.2 x 0.4 inch (L x W x H) (excluding antenna)Product Weight: 35gPower input: 12VWorking current: 200mA maxAntenna impedance: 50Antenna gain: 2dbVideo impedance: 75Video format: NTSC/PAL autoAntenna connection: SMA32 channels: Cover A， B， E bands and F bandsTwo switching buttons for the band and channel.Two digits display for the band and channel.Power off memory for last channel and band.Dual Independent video and audio signal outputs.RC832:Model:TS832Product size: 80 x 64 x 14mm/3.1 x 2.5 x 0.5 inch (L x W x H) (excluding antenna)Product Weight:146gVideo format supported: NTSC/PALAntenna connection: RP-SMA， jack (module side， both TX and RX)Power input: 7.4-16V (3S Lipo suggested)Transmitting power: 600mwAntenna gain: 2dbWorking current: 220mA at 12VVideo bandwidth: 8MAudio bandwidth : 6.5M32 channels: Cover A， B， E bands and F band (Airwave band)， 4 bands and all frequencies compatible