What Is The Difference Between Cdma And Gsm?

1.	What Is The Difference Between Cdma And Gsm?
Answer» The important differences are: DATA Transfer Speed: CDMA is faster than GSM. CDMA2000 downstream rate is 2 megabits / second, through EVDO, where GSM downstream rate is up to 384 kilobits / second, through EDGE technology Subscriber Identity Module (SIM) cards: SIM is tied to the network, rather than the actual phone. Phones with card-enabled can be used with any CARRIER of GSM Proprietary handsets are linked to one carrier only and not card-enabled in CDMA Roaming: GSM carriers have wider coverage of more RURAL AREAS, where as CDMA may not cover rural areas compared to GSM carriers International Roaming: GSM has facility to OFFER more international roaming, as the number of connections in world market dominate GSM network. CDMA phones do not have the capacity; however, there are more countries that use CDMA networks. The important differences are: Data Transfer Speed: Subscriber Identity Module (SIM) cards: Roaming: International Roaming:

Answer»

The important differences are:

DATA Transfer Speed:

CDMA is faster than GSM.
CDMA2000 downstream rate is 2 megabits / second, through EVDO, where GSM downstream rate is up to 384 kilobits / second, through EDGE technology

Subscriber Identity Module (SIM) cards:

SIM is tied to the network, rather than the actual phone. Phones with card-enabled can be used with any CARRIER of GSM
Proprietary handsets are linked to one carrier only and not card-enabled in CDMA

Roaming:

GSM carriers have wider coverage of more RURAL AREAS, where as CDMA may not cover rural areas compared to GSM carriers

International Roaming:

GSM has facility to OFFER more international roaming, as the number of connections in world market dominate GSM network.
CDMA phones do not have the capacity; however, there are more countries that use CDMA networks.

The important differences are:

Data Transfer Speed:

Subscriber Identity Module (SIM) cards:

Roaming:

International Roaming:

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