Darwin 5.8Hz 40CH 25/200/400/600mW FPV Transmitter SmartAudio 3.5g VTX for CineApe 25 RC Drone DarwinFPV 600mW VTX is a light weight, small size, high quality 25-600mW VTX, it provides optional 25/200/400/600mW output power, integrated 4Pin socket, plug and play is very convenient. The VTX settings can be adjusted through the flight control, that is, the transmitted power, frequency band and channel. Features: -600mW power, it is suitable for short-to-medium-range flight and performance well in stability. -4 power channels adjustable 25mW/200Mw/400mW/600mW. -DC5V input, the power consumption is only 600mA, it can be powered directly from the flight control 5V. -VTX control protocol SmartAudio, support OSD parameter tuning. Specifications: Name: DarwinFPV 600mW VTX Output Power: 25/200/400/600mW(adjustable) Frenquency: 5.8Hz 40port Power Supply Voltage Range: 5V Weight: 3.5g Pitch: 28*15mm(length*width) Protocol: SmartAudio Indicator Light Description: Frequency and Power Control Method: Adjust VTX frequency and power via Betaflight ①Connect the RX white line of VTX to the TX signal line or SOFTSERIAL1 signal line of the FC spare UART port; ②Select the port tab, enable the TBS (SmartAudio) function setting of the connected port and save it; (The above figure takes the TX signal line as an example; SOFTSERIAL1 is the same, just select the TBS (SmartAudio) function according to the corresponding port). ③ After entering the VTX parameter adjustment interface, select the desired frequency and power, and then "save" to save and exit. Packing List: 1 x DARWINFPV 600mW VTX 1 x Spare Screw Pack 1 x 3cm 4Pin Wire 1 x Sticker