This is the weakness and makes it useless. Semaphore travels further
Discussion
Are these jiggaly enough? https://video.nostr.build/5bbb2597a193a395d41952a0f9dcc71ce77605cdb256141294b04ea08b4b282d.mp4
True.
phone network nodes have hi-gain directional ants for inter communication and then multiple tx and rx ants for clients