Radio-frequency scanners, like the Uniden Bearcat Scanner, check for active radio communications in your immediate area. They're commonly purchased by hobbyists, but they also have many business ...

A software-defined radio (SDR) uses a general-purpose computer processor to perform aspects of digital signal processing in place of analog circuit hardware. This allows for greater flexibility in ...

[regveg] was looking for a way to receive signals outside the normal 64-1700MHz range his TV tuner software defined radio dongle can get. After finding a few $100+ upconverters on the Internet, he ...

Which handheld digital scanner is best? With extreme weather and natural disasters increasingly common, being able to communicate and receive local radio frequencies is more important than ever before ...