enow.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 wireless network technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wireless_network...

   4G provides, in addition to the usual voice and other services of 3G, mobile broadband Internet access, for example to laptops with wireless modems, to smartphones, and to other mobile devices. Potential and current applications include amended mobile web access, IP telephony , gaming services, high-definition mobile TV , video conferencing, 3D ...

4. AT&T Mobility - Wikipedia

   en.wikipedia.org/wiki/AT&T_Mobility

   [74] In August 2008, Best Buy announced that it would begin selling the iPhone 3G for use on the AT&T network. [75] In September 2008, AT&T announced that it would also sell the iPhone 3G in Puerto Rico and the U.S. Virgin Islands. [76] The iPhone 4 was released on June 24, 2010.

5. Cellular frequencies in the United States - Wikipedia

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

   Professional wireless microphones used the 700 MHz band until 2010 when they were made illegal, but equipment still exists in use that may interfere with 3G and 4G technologies. [10] Due to immediate adjacency to channel 51 lower 700 MHz A block license holders were prohibited to use it within channel 51 station service areas.

6. Virgin Mobile USA - Wikipedia

   en.wikipedia.org/wiki/Virgin_Mobile_USA

   The HTC EVO V 4G, which was also previously released by Sprint as the HTC EVO 3D was the first 4G smartphone. [15] On February 25, 2013, Virgin Mobile USA released the Samsung Galaxy Victory 4G LTE, its first 4G device using Sprint's 4G LTE network. On June 28, 2013, Virgin Mobile USA released the Apple iPhone 5, its second device taking ...

7. United States Cellular Corporation - Wikipedia

   en.wikipedia.org/wiki/United_States_Cellular...

   Website. uscellular.com. United States Cellular Corporation (doing business as UScellular and formerly known as U.S. Cellular) is an American mobile network operator. Its stock is publicly traded, but Telephone and Data Systems Inc. owns a controlling stake (83% economic and 96% voting power). The company was formed in 1983 and is headquartered ...