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PowerSource, or "hybrid" phones, are specialized cellular devices used by customers of the American telecommunications company Sprint Nextel.They are distinct from other mobile phones in that they make use of two cellular networks instead of a single one, integrating the legacy Nextel network with the higher-capacity, higher-speed Sprint network.
The project was a software lab experiment focused on the utilization of discontiguous spectrum for GSM wireless. GSM systems typically require 24 contiguous voice channels, but the original MIRS software platform dynamically selected fragmented channels in the radio frequency (RF) spectrum in such a way that a GSM telecom switch could commence ...
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.
Wireless carrier Sprint Nextel (NYS: S) has announced that it will acquire PCS spectrum and customers from U.S. Cellular (NYS: USM) for $480 million and the assumption of certain liabilities.
Sprint was given access to the SRA network in return for allowing the use of Sprint spectrum. This allowed Sprint to keep the spectrum license for the geographic area being served by the SRA member. Alaska DigiTel in Alaska was an SRA Member.
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In the past, world travellers subscribing to Nextel iDEN Services generally have to carry an alternate phone (i.e. the V180) to roam around the world. With the i920 or the i930, one phone, one phone number can be used at any part of the world which has a GSM network. The phone won't be made available to either Boost Mobile or Southern Linc ...
In November 2008, the International Telecommunication Union-Radio communications sector (ITU-R) specified a set of requirements for 4G standards, named the International Mobile Telecommunications Advanced (IMT-Advanced) specification, setting peak speed requirements for 4G service at 100 megabits per second (Mbit/s)(=12.5 megabytes per second) for high mobility communication (such as from ...