Arkbird FH 25W 433 remote range extension over ELRS

To increase the distance for the remote control:
The measured air distance of 1.4W is 60KM, and the air distance of 5W is over 120KM. 25W ground chainsaw is twice as long as 5W, no air use limit range for now! Equipped with special high-power radio antenna.

1.4W - 60KM
5W - 120KM
25W - 250KM+

*FHSS full frequency hopping + verification algorithm optimization, the effect beyond ELRS spread spectrum!
*Each set of power instrument test + saw test after delivery, strict quality assurance!
Note: This is professional UAV equipment. Please use it in accordance with local laws and regulations.

The original channel1-4 input ports on arkbird OSD;automatically become output
ports which will output channel7-10 of the radio tx control

https://www.uavmodel.com/products/arkbird-fh-25w-433-remote-range-extension-over-elrs