CDMA is being phased out for 4G and 5G. Contrast with GSM phone. See CDMA. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

A single-band phone is usually a CDMA or GSM digital phone that operates only in the 1900 MHz (PCS) frequency band. Single-band phones are not compatible with networks in Europe, Asia, and Africa.

The Cellular band is closer to 850 MHz, though, so Phone Scoop currently distinguishes between the two by designating the Cellular band "850" and the ESMR band "800". Therefore if you see "CDMA ...

In the U.S., AT&T and T-Mobile are GSM carriers. Contrast with CDMA phone. See GSM. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.