You probably didn’t notice, but analog cellular is now mostly off the air. Known as AMPS, or the Advanced Mobile Phone System, analog was the first major cellular system deployed in the U.S. AMPS went ...
You may think of sunsets as something nice to look at, but if you have an older cell phone or a home alarm system, there’s one coming up on Monday that may not be so pretty. That day, the U.S. Federal ...
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