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I've been interested in those old-school radios recently, and most of them are made in China. With the recent tariffs, and because of supply-chain concerns on communications (Exhibit A: Israel attacks on alleged Hezbollah members by rigging pagers and walkie talkies), its a good idea to have local trusted community members with knowledge of radios to build them ourselves.
Unlike smartphones, radios are much easier to build, and requires zero dependency on some corporate/government controlled infrastructure. Maybe we could even have some sort of community code-words for secrecy or airgapped computer hardware integrated in the radio to do encryption.
Like some meshtastic stuff, but even meshtastic devices you buy online could get intercepted and compromised. I'm thinking of like radio enthusiasts should be helping their community build home-made radios, like from scratch, and placed repeaters throughout entire cities on their roof connected to solar panels.
This make it very difficult for governments to shut down communications in event of like protests.