A researcher at the Def Con security conference in Las Vegas demonstrated that he could impersonate a GSM cell tower and intercept mobile phone calls using only $1500 worth of equipment. The ...

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.

Background. There are about 1.6 billion GSM cellular phones in use throughout the world today. Numerous papers have reported various biological effects in humans exposed to electromagnetic fields ...

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 V-Click phone from D-Link is their first dual-mode soiree, which means it works both on your GSM cellphone network and on WiFi. It’s going to be available in Q1 2007, and will have tri-band GSM ...

Intersil has introduced the ISL9003A LDO (low dropout) regulator which combines PSRR (power supply rejection ratio) for stability and low noise for integration, suited for GSM (global system for ...

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.