Calling it the biggest advance in Citizens Band radios since the CB spectrum was expanded from 23 to 40 channels in 1977, Cobra Electronics has launched a line of CB radios that can use FM as well as ...

Considered the biggest change to the industry since CB radios were expanded from 23 channels to 40 channels in 1977, the new dual-mode AM/FM capabilities are now featured on Cobra's best-selling CB ...

Okay, so I’ve been around the block once or twice and remember when CB radio manufacturers got the green light from the Federal Communications Commission in 1977 to add 17 more channels for a total of ...

The Federal Communications Commission will amend its rules governing short-range, low-power radio services that will affect the CB radio service, general mobile radio services (GMRS) and family radio ...

We may receive a commission on purchases made from links. Despite the rise of smartphones, satellite communication, and modern two-way radios, CB (Citizens Band) radios remain a relevant part of ...

This is a simple 27MHz FM-CB receiver circuit built with TCA440 for listening CB ( citizen’s band ) transmissions with FM (frequency modulation). The selection is made with ceramic filters. This 27 ...

The radio spectrum is carefully regulated and divided up by Governments worldwide. Some of it is shared across jurisdictions under the terms of international treaties, while other allocations exist ...

*It turned out you could hack them. That's why they were a hit in the brief but intense heyday of CB radio. Out of the box, the Cobra 138XLR was one of the more capable Citizen’s Band (CB) radios ...