THE MASWSS0091 single-pole, six-throw (SP6T) gallium-arsenide (GaAs) switch simplifies multiband GSM cell phones. Dual, tri, and quad band GSM phones necessitate a complex mix of transmit-receive ...

The overall certification process may seem very long and involved, but it does provide a high level of uniformity across the industry. The expectations for quality of service provided by mobile-phone ...

Today I bring you a story that has it all: a solar-powered, low-cost, open source cellular network that’s revolutionizing coverage in underprivileged and off-grid spots. It uses VoIP yet works with ...

I just bought an unlocked GSM cell phone (Nokia C3) from Amazon Marketplace. When it arrived it turned out the box was in Spanish and is marked (from what I can tell) for sale in Mexico. We use AT&T.

Despite concerns that federal authorities might fine or arrest him, hacker Chris Paget went ahead with a live demonstration of mobile phone interception at the Defcon hacking conference Saturday.

Not all cell phones are legal in the United States. Some devices are prohibited due to security concerns, lack of regulatory approval, or interference with communication networks. While many Americans ...