Which cell phone service is better GSM or CDMA

What is CDMA stand for ?

CDMA stands for Code Division Multiple Access.In CDMA technology both voice and data are separated from signals using codes and then transmitted using a wide frequency range.

What is GSM stands for ?

GSM stands for Global System for Mobile Communications.

What are the differences between CDMA and GSM ?

Technology

GSM is sold as latest technology in many countries.But GSM is older than CDMA.This not mean that CDMA is better than GSM.Both the technologies have their own advantages and disadvantages.

Coverage

CDMA has 14% share in world wide market.GSM is most used technology in the world with 73% of the market.We can say CDMA coverage is more limited than GSM. European union mandated GSM use.In North America CDMA has wider coverage than GSM.For People going international roaming it advisable to go for GSM technology.

Data Transfer

In CDMA technology both voice and data are separated from signals using codes and then transmitted using a wide frequency range.So there is more space left for data transfer.

CDMA has a faster data transfer rate than GSM ,it has a maximum download speed up to 2 mbps.For GSM maximum download speed is up to 384 kbps.For browsing web CDMA is better than GSM.

CARD system

GSM technology requires a card known as SIM (Subscriber Identity Module) in which contact info is stored.With CDMA your account information is stored into your mobile phone.If you change phone your info must be transfered to new phone.

GSM followers says that it is easy to store data in SIM card and it is more secure ,Where as CDMA followers says that CDMA is more advanced than GSM and it is the technology choosen by 3G generation.

Any way both the networks have their own advantages and disadvantages.We have to choose the technology according to or needs. 

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