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Our online glossary is here to help you make sense of the terminology used in the cell phone industry. It covers mobile technologies, such as 3G and 4G, and even includes a bit of information on smartphone operating systems and the companies that make the cell phones and other mobile technology devices we all use.

What is "MEID"?

An MEID is a unique identifier found on CDMA handsets within the United States. The MEID system is compatible with the existing IMEI number system used in GSM and UMTS handsets. It is being phased in to replace the ESN numbers currently used on CDMA devices, since the pool of ESN numbers has been virtually exhausted due to the number of devices in use.

Also known as: "Mobile Equipment Identifier", "Mobile Equipment Identity"

See Also: CDMA, IMEI, GSM, UMTS, ESN

Referred to by: ESN, SIM card

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