For my custom built F450 Pixhawk, I wanted to get very long range on telemetry (to send in autonomous missions and in the mean time know what is going on), so I have searched for the best (at a reasonable price) 433 Mhz antennas.
After reading on forums, etc, I have come up to buying these 2 antennas:
I heard I should be getting a few kilometers (3 - 4) at least easily with this combo, but I have situations when after even less than 1 km I lose signal and Tower disconnects. I saw some youtube videos with more than 10km range even!
Anyone else tried this exact combo and got great range? Or maybe the SiK radios are the problem? Or can you recommend me anything better?