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  2. GSM modem - Wikipedia

    en.wikipedia.org/wiki/GSM_modem

    GSM is a standard for digital cellular communications, which means that it provides a platform for mobile devices to communicate with each other wirelessly. The GSM module is a specialized device that enables a device to send and receive data over the GSM network. The GSM network is an essential component of modern communication systems. It is ...

  3. Circuit Switched Data - Wikipedia

    en.wikipedia.org/wiki/Circuit_Switched_Data

    In communications, Circuit Switched Data (CSD) (also named GSM data) is the original form of data transmission developed for the time-division multiple access ...

  4. Network switching subsystem - Wikipedia

    en.wikipedia.org/wiki/Network_switching_subsystem

    The MSC sets up and releases the end-to-end connection, handles mobility and hand-over requirements during the call and takes care of charging and real-time prepaid account monitoring. In the GSM mobile phone system, in contrast with earlier analogue services, fax and data information is sent digitally encoded directly to the MSC.

  5. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    Thomas Haug (first GSM president) and Philippe Dupuis (second GSM president) during a GSM meeting in Belgium, April 1992. In 1983, work began to develop a European standard for digital cellular voice telecommunications when the European Conference of Postal and Telecommunications Administrations (CEPT) set up the Groupe Spécial Mobile (GSM) committee and later provided a permanent technical ...

  6. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    The GSM standards are defined by the 3GPP collaboration and implemented in hardware and software by equipment manufacturers and mobile phone operators. The common standard makes it possible to use the same phones with different companies' services, or even roam into different countries. GSM is the world's predominant mobile phone standard.

  7. GSM frequency bands - Wikipedia

    en.wikipedia.org/wiki/GSM_frequency_bands

    GSM-1900 and GSM-850 are used in most of North, South and Central America (ITU-Region 2). In North America, GSM operates on the primary mobile communication bands 850 MHz and 1900 MHz. In Canada , GSM-1900 is the primary band used in urban areas with 850 as a backup, and GSM-850 being the primary rural band.

  8. GSM Nation - Wikipedia

    en.wikipedia.org/wiki/GSM_Nation

    GSM Nation was an on-line phone retailer and wholesaler based in the United States. It was founded in 2010 by Ahmed Khattak and Junaid Shams with support from the Yale Entrepreneurial Institute. It was founded in 2010 by Ahmed Khattak and Junaid Shams with support from the Yale Entrepreneurial Institute.

  9. Coupon-eligible converter box - Wikipedia

    en.wikipedia.org/wiki/Coupon-eligible_converter_box

    A coupon-eligible converter box (CECB) was a digital television adapter that met eligibility specifications for subsidy "coupons" from the United States government.The subsidy program was enacted to provide terrestrial television viewers with an affordable way to continue receiving free digital terrestrial television services after the nation's television service transitioned to digital ...