This is really just an exploration of the radio system inside these cordless phones. After taking a HackRF to a cordless phone, [Corrosive] found the phone technically didn’t operate in the 5.8 ...
There was a time when one of the perks of having a ham radio in your car (or on your belt) was you could make phone calls using a “phone patch.” In the 1970s, calling someone from inside your ...
Since this feature allows the phone to receive FM radio directly using a separate antenna, it does not use the cellular network, and therefore does not cost anything to use regardless of cellular ...
When I was a kid living near Grantsville, West Virginia, some of my neighbors were into amateur ham radio. I found their analog electronics and antennas and their mastery of Morse code fascinating.