Product Parameters:Frequency: 5.8G Channel: 48CH Power: 0/100/200/400/1000mW Voltage: DC7-26V Current:100mw(230mA)/200mw(290mA) 400mw(360mA)/1000mw(490mA) Antenna: RP-SMA(Outer screw inner hole)Volume: 30×20×5mmPackage List:1 set x 1W Transmitter Suit