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As cellular mobile telephone technology has evolved over time, periodically bands of frequencies are reassigned from other radio services. Companies wishing to provide cellular services in a geographic region compete for the right to license radio spectrum in spectrum auctions. Different cellular companies in the same region may use different ...
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
Big Sky Mobile: GSM: EDGE: Unknown: 2017: Sold spectrum licenses to AT&T and T-Mobile and exited the business. [41] Blaze Wireless: GSM, UMTS: EDGE, HSPA+, LTE: Unknown: December 2019: Parent company, Pinpoint Communications, discontinued cellular service and spectrum leases through Viaero Wireless were cancelled. Blue Wireless: CDMA2000: EV-DO ...
In May, U.S. Cellular entered into an agreement with T-Mobile to sell almost all of its wireless operations including customers, stores and 30% of its spectrum assets in a deal valued at $4.4 billion.
Many GSM phones support three bands (900/1,800/1,900 MHz or 850/1,800/1,900 MHz) or four bands (850/900/1,800/1,900 MHz), and are usually referred to as tri-band and quad-band phones, or world phones; with such a phone one can travel internationally and use the same handset. This portability is not as extensive with IS-95 phones, however, as IS ...
Lifeline provides a discount on monthly service of $9.25 per month [1] [6] for eligible low-income subscribers. Subscribers may receive a Lifeline discount on either a wireline or a wireless service, but may not receive a discount on both services at the same time. Lifeline also supports broadband and broadband-voice bundles.
Virgin Mobile USA, L.P. also offered lifeline telephone service subsidized by the U.S. Federal Communications Commission's Universal Service Fund under the "Assurance Wireless Brought to You by Virgin Mobile" brand. The program offers a free wireless phone and 250 free local and domestic long-distance voice minutes per month to eligible low ...
Spy Dialer is a free reverse phone lookup service that accesses public databases of registered phone numbers to help users find information on cell phone and landline numbers and emails.