If you try to insert a SIM card from a U.S. GSM carrier into an iPhone that was purchased from AT&T, Sprint, or Verizon, this or a similar message will be displayed and the use of the SIM is ...

Mini BlackBerry With EDGE Coming to GSM Carriers. Article Comments 11 . May 3, 2006, 4:13 PM by (staff) The FCC yesterday approved two new GSM BlackBerrys. The existing 7130e will soon be joined ...

For U.S. cell phone customers, AT&T and T–Mobile are GSM carriers, while Verizon, Sprint, and US Cellular are CDMA, taking into account updates in carrier policies and plans to close off networks.

News Analysis: T-Mobile may be the fourth-largest national carrier, but there are other GSM carriers out there including national carriers that offer GSM-capable phones.

The two largest GSM carriers barely break 37%; worldwide, CDMA accounts for around 13% of phones, with GSM and its successor, UMTS making up of the remainder. Which Acronym Are You?

New phones are bridging a major standards gap between the world's cellular carriers, which could ease mobile communications for globetrotters and send upheavals through the wireless industry ...

Now that all leading US carriers use GSM, it’s easier for unlocked phones to be compatible with any carrier, but there is another factor to look after. While AT&T, Verizon, ...

Windows Phone 7 devices coming this fall will initially work with GSM carriers such as AT&T and T-Mobile, but will not include carriers of CDMA technology, which include Verizon Wireless and ...

Don Reisinger took a look at what's going on with the iPhone lately and believes it will be open to all carriers this year. But with a five-year exclusivity agreement breathing down his neck, will ...

GSM is the most popular protocol for cellphone telephony on the planet, with billions of users worldwide. But the standard encryption procedure used by most GSM carriers is only 64-bit, ...

As Global System for Mobile Communications (GSM) networks are rolled out across the U.S., the demand will grow for related receivers and measurement systems. Luckily, some companies are already ...

The mobile world is one step closer to adopting a single standard for voice over Long Term Evolution (LTE) technology now that the GSM Association has adopted the carrier-sponsored 'One Voice ...