Frequently Asked Question on CDMA and GSM
What is CDMA?
CDMA is an acronym for Code Division Multiple Access, which is also a radio telecommunication standard similar to GSM.
What is GSM?
A digital mobile communication standard called GSM, or Global System for Mobile Communication, is used to send and receive speech and data signals over a network
Are CDMA and GSM networks compatible with each other?
GSM phones can only be used with 2G/3G GSM networks, however CDMA phones can be used with both 2G and 3G CDMA networks. Thus, it is not possible to use your CDMA device on a GSM network.
Can I switch my phone between CDMA and GSM networks?
Due to the fact that GSM and CDMA networks employ distinct technologies for data and voice transmission, they are typically incompatible.
Is 4G LTE a form of CDMA or GSM technology?
As a distinct cellular technology that offers a 4G migration path to 3G networks on CDMA and GSM tracks, 4G LTE is neither CDMA nor GSM.
Difference between GSM and CDMA
GSM stands for Global System for Mobile Communication Voices, while CDMA stands for Code Division Multiple Access. GSM uses FDMA (Frequency division multiple access) and TDMA (Time division multiple access). GSM supports transmitting data and voices both at once, but CDMA does have not this feature. In contrast, only mobile phones from a set of whitelisted companies can be used with a CDMA network.
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