Eachine TRASHCAN 75mm FPV Racing Drone Spare Part 5.8G 25m W~200MW Switchable VTX FPV Transmitter 3.3-5.5 V Specification: Brand name: Eachine Output power: 25~200mwswitchable Frequency: 40CHInput voltage: 3.3V 5.5 V Current consumption: 300m A (type) Antenna: RG178 antenna Frequency: 5.8 G Hz 5bands 40channels With Raceband Smart Audio ready Weight: 3g Package Included:1 x 25m W~200MW Switchable VTXQA: How to swich the frequency & channel? Frequency: Plug USB (Universal Serial Bus), connectbetaflight, goto CLIcommand:25mw: Setvtx_power=1save 100mw: Setvtx_power=2save 200mw: Setvtx_power=3save Channel: Setvtx_band=1-5 Setvtx_channel=1-8