The mobile world is divided into two categories: GSM and CDMA. What's the difference between them - and why are some network operators in Europe weighing whether to switch technologies?

A cellphone or smartphone that uses the CDMA air interface. In the U.S., Verizon and Sprint (now T-Mobile) have been CDMA carriers; however, CDMA is being phased out for 4G and 5G. Contrast with ...

Previously, they had used antennas designed for GSM phones on their CDMA models ... a sort of "necessary evil" of doing business with CDMA carriers. For example, Nokia recently launched its ...