One type of electronic device to especially avoid is the microwave, which emits a strong signal in the 2.4GHz band, the same wireless band your router operates in. Be careful not to stick your router ...

The best WiFi baby monitors from CR's tests let you check on your baby on your smartphone, from anywhere. Plus, how to keep ...

Abstract: Radio frequency fingerprint identification (RFFI) is a task to determine the source of a signal by extracting the radio frequency fingerprint of the emitter. It provides physical-layer ...

Abstract: Intelligent reflecting surface (IRS) is a revolutionary and transformative technology for achieving spectrum and energy efficient wireless communication cost-effectively in the future.

So many of our electronic devices seem like they’re obsolete almost as soon as we buy them. But that’s not the case with wireless speakers. Unlike, say, a laptop or a phone, a speaker that sounds ...