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Is 1km the usual range for 2 nodes?
(lemmy.world)
A community to discuss Meshtastic (https://meshtastic.org/docs/introduction)
I would say get an antenna from an amateur radio store that knows antennas. Here in the United States, Rockland is a good choice.
A lot of the antennas that ship with these nodes by default are not properly tuned and therefore most of your power is not being radiated out of the antenna.
I'll second Rokland. This is a good one if you want some portability. 2.5 dBi Flex
I was about the same with default v3 antenna (1 km). Even a cheap sub-$10 one will get you 3+ km.