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CDMA vs. GSM: What's the Difference?


CDMA is short for Code Division Multiple Access. GSM is short for Global System for Mobile Communication. Both standards are for radio systems used in cell phones. GSM is the world's most commonly used cell phone standard. According to the GSM Association, "roughly 80% of the world uses GSM technology to make wireless calls". GSM offers more flexibility than CDMA devices for global use and as a result present less challenges to the cell phone carrier unlocking industry. STL SMARTphones provides instant and remote carrier unlocking services. However, only GSM carriers can be instantly unlocked in person.


This list of phone carriers may be incomplete. However, the majority of major United States' carriers are included in the listing.


CDMA Carriers


Major Carrier

Verizon Wireless

Sprint


CDMA Mobile Virtual Network Operators

Alaska Communications

Appalachian Wireless

Blue Wireless

Bluegrass Cellular

Bravado Wireless

C Spire Wireless

Carolina West Wireless

Cellcom

Chariton Valley Wireless

Chat Mobility

Choice Wireless

Clear Talk

Copper Valley Telecom

Custer Telephone Cooperative

ETC (Enhanced Telecommunication Corporation)

GCI Wireless (maintains a CDMA and GSM network; contact provider for more information)

Illinois Valley Cellular

Inland Cellular

Mid-Rivers Communications

Mobi PCS

MTA Solutions

Nemont

Nex-Tech Wireless

NorthwestCell

nTelos

Pioneer Cellular

Silver Star Communications

Sprint

Sprocket Wireless

STRATA Networks

Thumb Cellular

United Wireless

U.S. Cellular

Verizon Wireless

Virgin Mobile USA




GSM Carriers

AT&T

T-Mobile


GSM Mobile Virtual Network Operators

ASTAC

AT&T

Big Sky Mobile

Cellular One Nation

Cordova Wireless

Cricket Wireless

DTC Wireless

GCI Wireless (maintains a GSM and CDMA network; contact provider for more information)

Indigo Wireless

Pine Cellular

Plateau Wireless

T-Mobile

Union Wireless

West Central Wireless






Opmerkingen


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