career cellular us

Currently in the US cellular phones use either analog service or digital service. Most new cellular phones use digital technology. Currently three digital wireless technologies are used in the USA: TDMA (Time Division Multiple Access), CDMA (Code Division Multiple Access), and GSM (Global System for Mobile Communications). Unfortunately, many times digital cellular phones may work with only one technology: TDMA, CDMA, or GSM.

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Selecting the best cellular phone when you sign up for a cellular phone plan is also very important. As technology advances, many new cellular phones with new features are offered. An example of a new technology advance would be a camera cell phone.