What is a "2g Cdma"? The Most Authoritative Explanation.

What is the GSM/CDMA divide?

CDMA stands for “Code Division Multiple Access.” GSM stands for “Global System for Mobiles.” They are 2 radio networks used by wireless carriers. If the GSM/CDMA divide has popped up on your radar, it’s likely because you tried to transfer a phone from one carrier’s service to another and encountered roadblocks.

What is CDMA and how does it work?

It is one of the two second-generation systems for cellular phones available today. Even though the shift towards 5G cellular phone networks should, in theory, remove the split between the two types of networks, phones will still behave differently in areas where only 2G or 3G networks are operating. You can rarely tell a CDMA phone from a GSM one.

Who uses CDMA and GSM?

In the US, Verizon, US Cellular, and the old Sprint network (now owned by T-Mobile) use CDMA. AT&T and T-Mobile use GSM. Most of the rest of the world uses GSM. The global spread of GSM came about because in 1987, Europe mandated the technology by law, and because GSM comes from an industry consortium.

What is the difference between CDMA and LTE?

Switching from iOS. CDMA, which stands for Code Division Multiple Access, is a competing cell phone service technology to GSM, on 2G and 3G networks that is gradually phasing out. In 2010, carriers worldwide switched to LTE, a 4G network that supports simultaneous voice and data use.