CDMA Phone Guide

CDMA is a relatively new technology in the world of mobile phones. It’s extensively used in some countries like USA. It’s also become really popular in some Asian countries like India. In these markets, CDMA phones are becoming popular and widely available. CDMA is known as Code Division Multiple Access system. This technology uses multiple frequencies at one time to transfer data. That is why it is called multiple access system.
The main competition of CDMA technology is the GSM network, which is the most popular and widely used mobile technology in the world. CDMA phones work on a different platform. Therefore before buying a CDMA phone, take care of the following points:
Network Connection
CDMA phones are widely used in North America, that too in USA. Therefore if you are travelling abroad other than a few countries like US, then it is a bad idea to carry a CDMA phone as majority of the countries use only GSM networks and platform technology. Ironically if you have a CDMA provider in your country, CDMA phones are better when it comes to coverage in towns, villages and rural areas due to the very nature of the signal transmission, which uses multiple access rather than a single access point or tower.
Interchange ability
Unlike a GSM phone, CDMA phones do not have a SIM card, which can be transferred and be activated on another phone. Once you buy a CDMA phone, you have no options of changing your phone device without informing the CDMA service provider. You cannot even transfer your data on another phone unlike a SIM card, which gives you the option of transferring data and information to another mobile phone.
Variety

There are thousands of GSM phones in the market due to the global appeal and usage. In comparison the CDMA phone market is very limited due to specified reach and market. Therefore select your number and model carefully, which suits your usage and call plan when buying a CDMA phone.
Different Technologies
GSM phones use one base station or tower to connect to users or transfer data. On the other hand, CDMA phones use multiple base stations or towers to transmit data. Hence, the network coverage of CDMA is better as compared to GSM networks. Moreover GSM uses Edge Technology to store data on the phone whereas CDMA phones use EVDO technology to store data.
With the improvement in technology and coverage, CDMA has a bright future in the mobile phone market.

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