SIM Card, Used with Carriers, Operate Global System for Mobile Communication Network

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Product Description

Used with carriers that operates on the global system for mobile communication network

Competing network is code division multiple access, a technology created by US company Qualcomm

As of fall 2005, CDMA cell phones and CDMA carriers do not support SIM cards in most parts of the world, though this is changing

A CDMA SIM card called the R-UIM (reusable identification module) was made available in China in 2002 and will eventually be available worldwide

Expectations for the future include a cell phone market that supports both SIM (GSM) and R-UIM (CDMA) cards by default

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