ULRS Modules

Normal Orange 1W modules without increased power (3.3V operation, about 400 mW power)

Antennas

RC

DIY 4 elements Yagi antenna on the ground – DIY Vee antenna on the plane What certainly contributed to the range is that the antennas are precisely tuned with professional equipment :

Video

For the video, he’s using well tuned vee antennas in the plane, and a patch antenna on the ground :