There are many fantastic electronic resources available for self-reliant folks of all types. One of the major downsides to many of them is that they need internet access to function, which greatly limits their utility in emergencies where internet access is very often down.
Because of this and the fact they need electricity to work, there was a time when preppers refused to trust any equipment that ran on batteries or had a power cord. Fortunately, technology has come a long way since that time.
Preparing Your Electronics for Survival
Some electronics are certainly better built and more rugged than others, and anything not specifically hardened against EMP could be damaged by it, but some portable electronics, such as many mil-spec handheld amateur radios, are very rugged and well shielded against EM (electromagnetic) radiation.
If they were not well shielded, they would be damaged…
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