Oct 28, 2023, LinkAV performed 15km range test for its LKAV-3712 drone tracking antenna system. 2dBi omni-directional whip antennas were used for the air unit, and 11dBi directional panel antenna were used for the ground terminal. The video data link radio power output is 300mw (25dBm). The flight height was set to 300m, and the frequency was set to 1.4GHz band.
Here is the test video: https://youtu.be/WKBPlgdcXmQ?si=-VuCkmaerhQbmIeM