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They certainly do - walkie-talkies! Edit: Yes, they do exist - you can google this. But on reflection, a commenter below is probably right that it's more likel
by dcx 4y ago
They certainly do - walkie-talkies!
Edit: Yes, they do exist - you can google this. But on reflection, a commenter below is probably right that it's more likely wireless security cameras, given typical site requirements (range, penetration depth)
- gorgoiler 4y agoHandhelds are usually UHF - in the 446MHz range. Do you know of personal radios that operate in the 2.4GHz unlicensed spectrum?
- tekknik 4y agoDrones (FPV), baby monitors to name two. I’m sure there’s more.
- gruez 4y agoI don't think they use the 2.4 GHz band. https://en.wikipedia.org/wiki/General_Mobile_Radio_Service https://en.wikipedia.org/wiki/General_Mobile_Radio_Service