TheFPV BS2 OSD Micro AIO FPV Camera and 25mW VTX - Unmanned Tech UK FPV Shop
Other Parts & Accessories - GEPRC RAD VTX 5.8GHz 1.6W PIT mode/25mW/200mW/600mW/1600mW FPV Long Range Transmitter Support OSD 3 for sale in China (ID:595241759)
3.2km range on 25mW : r/fpv
Unlock extra power! | Increase your range | DJI FPV - YouTube
Amazon.com: RiToEasysports RC Video Transmitter, Adjustable Power FPV Video Transmitter 6‑36V 25mw 200mw 400mw 800mw 1300mw 40CH Long Range FPV Transmitter for RC Drone (4.9Ghz) : Toys & Games