WOW.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Comparison of mobile phone standards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_mobile_phone...

   In 3G, the most prevalent technology was UMTS with CDMA-2000 in close contention. All radio access technologies have to solve the same problems: to divide the finite RF spectrum among multiple users as efficiently as possible. GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA.

3. List of mobile network operators in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_mobile_network...

   AT&T, T-Mobile, Verizon, Dish Wireless , and uscellular also sell SIM cards through their retail channels, both in-store and online. The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the ...

4. Cricket Wireless - Wikipedia

   en.wikipedia.org/wiki/Cricket_Wireless

   AT&T (2014–present) Website. www .cricketwireless .com. Cricket Wireless is an American wireless service provider, owned by AT&T. It provides wireless services to ten million subscribers in the United States. [1] Cricket Wireless was founded in March 1999 by Leap Wireless International. AT&T acquired Leap Wireless International in March 2014 ...

5. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the three major cellular carriers in the country, AT&T Mobility, T-Mobile US, and Verizon. [1] [2] In 2016, MVNOs across the nation such as Metro PCS, Boost Mobile, Cricket Wireless, and Tracfone brands served about 36 million subscribers.

6. GSM - Wikipedia

   en.wikipedia.org/wiki/GSM

   Website. www .gsma .com. The Global System for Mobile Communications ( GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM ...

7. Mobile network codes in ITU region 3xx (North America)

   en.wikipedia.org/wiki/Mobile_network_codes_in...

   AT&T: AT&T Mobility: Operational: GSM 850 / UMTS 850 / UMTS 1900: Originally BellSouth Mobility DCS, then Cingular Wireless, then Aio Wireless, then rebranded as the new GSM Cricket Wireless: 310: 160: T-Mobile: T-Mobile US: Operational: GSM 1900: 310: 170: AT&T: AT&T Mobility: Operational: GSM 1900

8. List of CDMA2000 networks - Wikipedia

   en.wikipedia.org/wiki/List_of_CDMA2000_networks

   Spectrum re-allocated for E-GSM 900 (Band 8). Net 1 Indonesia: CDMA2000 1xRTT, EV-DO Rev. A 450 Apr 2004: 2018? Smartfren Indonesia: CDMA2000 1xRTT, EV-DO Rev. B 800 Dec 2003: Nov 2017: Smartfren Indonesia: CDMA2000 1xRTT, EV-DO Rev. B 1900 Dec 2003: Dec 2016: Spectrum re-allocated for UMTS 2100 (Band 1).

9. List of mobile network operators of the Caribbean - Wikipedia

   en.wikipedia.org/wiki/List_of_mobile_network...

   Operator Technology Countries Aliv: UMTS, HSPA, HSPA+, DC-HSPA+, LTE, LTE-A Bahamas Altice Dominicana S.A. GSM, UMTS, LTE Dominican Republic bmobile (): GSM, GPRS ...