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2. AT&T outage in your area? Where to see network maps at ... - AOL

   www.aol.com/t-outage-area-where-see-134117317.html

   Here's where to find outage maps using AT&T, Verizon, T-Mobile and DownDetector. ... T-Mobile outage map. While T-Mobile offers a coverage map, they do not show outages on the map.

3. AT&T Mobility - Wikipedia

   en.wikipedia.org/wiki/AT&T_Mobility

   AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States .

4. AT&T outage in Oklahoma? Where to see network maps at ... - AOL

   www.aol.com/t-outage-oklahoma-where-see...

   Service power outages can really damage your plans for the day. Here's where to find outage maps using AT&T, Verizon, T-Mobile and DownDetector.

5. Cellular frequencies in the United States - Wikipedia

   en.wikipedia.org/wiki/Cellular_frequencies_in...

   The 700 MHz band was auctioned in early 2008 using spectrum previously used by television stations' analog broadcasts, with Verizon Wireless and AT&T Mobility winning the majority of available spectrum. Qualcomm and Echostar were winners of a significant amount of broadcast-oriented spectrum. Verizon Wireless will use the upper band of the 700 ...

6. Is AT&T down? Reports of nationwide outages may also be ... - AOL

   www.aol.com/t-down-reports-nationwide-outages...

   AT&T has not immediately made a comment about the outage. The most reported cases of interrupted cellular service in Texas are Dallas, Houston and San Antonio. AT&T outage map

7. 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 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.

8. What is causing AT&T outage? Details about nationwide ... - AOL

   www.aol.com/causing-t-outage-details-nationwide...

   Cricket Wireless, which is owned by AT&T, had more than 13,000, the outage tracking website said Thursday. ... AT&T outage map. AT&T customers can check for service outage information by using the ...

9. Coverage (telecommunication) - Wikipedia

   en.wikipedia.org/wiki/Coverage_(telecommunication)

   Coverage depends on several factors, such as orography (i.e. mountains) and buildings, technology, radio frequency and perhaps most importantly for two-way telecommunications the sensitivity and transmit efficiency of the consumer equipment. Some frequencies provide better regional coverage, while other frequencies penetrate better through ...