GSM is a type of cellular network that AT&T and others use. CDMA is another network type that mostly just Verizon uses. GSM only means that it will only work on carriers that use that network , which Verizon does not and therefore you can’t use it with Verizon (and other carriers that use CDMA)
Read moreWhat is GSM and types?
Global System for Mobile Communication aka GSM is defined as the digital network aiding mobile connectivity . The GSM network is used by people from different parts of the world and Europe, on a whole. Of the three variants, GSM, TDMA and CDMA, the former stands as the most popularly used network.
Read moreWhat is the difference between GSM and LTE?
GSM supports both cellular and data, whereas LTE is synonymous with high-speed wireless broadband technology that supports only data . This is why most of the new cell phones use LTE for high-speed internet access and rely on GSM for voice calls.
Read moreIs GSM is 4G?
GSM is a second-generation (2G) cellular technology standard and is, therefore, less capable of providing high-speed data as compared to UMTS, which is a third-generation (3G) technology and LTE, which is a fourth-generation (4G) cellular technology.
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