Two-way radios were conceived shortly after the turn of the 20th century and were in use during World War I. Police patrol car systems began in the 1920s in the U.S. with proprietary two-way radio ...

Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens’ band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for ...

Counties and municipalities are acting now to ensure two-way radio devices and infrastructure are ready for inclement weather ...

the 65-year-old decided to set up his portable radio system in the same spot where his lifelong enthusiasm for two-way radio was launched. “I was working on a radio merit badge for my Eagle ...

The major categories of automotive electronic systems include Historically, automotive electronics was confined primarily to communications, with the incorporation of AM radios and police-car two-way ...

Using the eponymous company's proprietary hardware, you can view security footage from actual cameras and communicate with ...

“Enterprise and business users may need fewer functions from their two-way radio systems than public safety users do. For example, the trunking call is usually a standard feature required by the ...

In space exploration, long-distance optical links can now be used to transmit images, films and data from space probes to ...

Securing this type of agreement should not prove difficult given the vast number of communication companies now providing paging, cell-phone calling, and two-way radio systems. Locate the store in ...

The National Radio Astronomy Observatory is 'confident' it can work out radio frequency issues with SpaceX and other ...

In 1977, NASA launched Voyager 1 and 2: a pair of spacecraft tasked with touring Jupiter, Saturn, Uranus and Neptune by ...