These are to modify the birdside (aircraft antennas) antennas for added range, better turnarouds or to explore, perfect match for Maxxrange or Terminator antennas on the rc
The Maxxrange panel polarity matches the the stock birdside antennas or the bazooka dipoles, fpvlr circular polarized antennas do not. I mean they will still get you farther than stock but not farther than the Maxxrange. Check out some of the P3 leader boards, the top spots are using Maxxrange or Terminator.
You are correct, the fpvlr are the coil ones! (Circular polarized)
Maxxrange and Terminator are linear polarized patch antennas
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