A mobile service provider (MSP) is a company that offers transmission services to users of wireless devices (smartphones and tablet PCs) through
radio frequency (RF) signals rather than through end-to-end wire communication.
The major mobile service providers in the United States include Verizon Wireless, Sprint,
AT&T and T-Mobile. Their services differ in terms of the wireless service plans, data speeds
(3G vs. 4G), reliability and the
devices they support.
A mobile service provider is sometimes called a wireless service provider (WSP),
carrier or mobile carrier.
Contributor(s): Bridget Botelho
This was last updated in November 2011
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