PandaRC VT5804 V3 5.8G 1W Power Switchable Long Range FPV Video Transmitter VTX 7-28V Built-in Cooling Fan for DIY RC FPV Racing Drone

PandaRC VT5804 V3 5.8G 25mW/200mW/400mW/800mW/1000mW Switchable FPV Video Transmitter is the most recent big power long range video transmitter released by Panda RC.
The VT5804 V3 features a built-in cooling fan and a bolted SMA antenna connector.
It supports OSD remote tuning and goes up to 1000mW output power.

Main Features:
--Stable output power, long transmission range (0.5KM+@25mW; 1KM+ @200mW; 2KM+@400mW, 5KM+@800mW,10KM+@1000mw;
--0mw/25mw/200mw/400mw/800mw /1000mw switchable
--Channel, Frequency and Output power controlled  through OSD configuration
--Fast frequency lock
--Support self-checking function of output power;
-- Comes with Cooling fan

Specifications:
Video module:NTSC/PAL
input voltage : 7-28V,+12V/450mA@1000mW
Size : 36*36*5.5MM
Hole size:30.5mm x 30.5mm
Weight : <30g(without antenna)

Output Power and Frequency Setting
Through buttons on the VTX:
1. Long press the button for 6 Seconds, the power indicator led flash while other indicator leds are off, then short press would change the power 25mW/200mW/400mW/800mW/1000mW. 
2. Short Press one time, it will change the Channel ( CH1-CH8)
3. Long press for 3 seconds and then short press , will change the FR ( A-F)