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Joseph Hewitt Profile picture
Joseph Hewitt
@jhewitt_net
Sep 1, 2022 • 4 tweets • 2 min read
I bought some cheap aliexpress directional 2.4GHz antennas.

As expected, they aren't very good.

(A small thread) Using a tool borrowed from @jilles_com, I can see that this antenna is sensitive to various frequencies but not much at ~2.4GHz.

This antenna is best at around 1070MHz or 337MHz and has some sensitivity to 1090MHz meaning it works somewhat okay for ADSB aircraft tracking.