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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. iPhone 3G - Wikipedia

   en.wikipedia.org/wiki/IPhone_3G

   iPhone. The iPhone 3G is a smartphone designed, developed, and marketed by Apple Inc. It is the second generation of iPhone, successor to the original iPhone, and was introduced on June 9, 2008, at the WWDC 2008 which took place at the Moscone Center in San Francisco .

4. List of iPhone models - Wikipedia

   en.wikipedia.org/wiki/List_of_iPhone_models

   The backs of an iPhone 6, an iPhone 7, an iPhone 8, and an iPhone SE (3rd generation) The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone ...

5. Comparison of HTC devices - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_HTC_devices

   HTC logo HTC's first product: Kangaroo Palm-size PC. HTC is the original design manufacturer for many Android and Windows Phone-based smartphones and PDAs.Brands that have marketed or previously marketed HTC-manufactured products include Dell, Fujitsu Siemens, HP/Compaq, i-mate, Krome, O 2, Palm, Sharp Corporation, and UTStarcom.

6. High Speed Packet Access - Wikipedia

   en.wikipedia.org/wiki/High_Speed_Packet_Access

   High-Speed Uplink Packet Access ( HSUPA) is a 3G mobile telephony protocol in the HSPA family. It is specified and standardized in 3GPP Release 6 to improve the uplink data rate to 5.76 Mbit/s, extend capacity, and reduce latency. Together with additional improvements, this allows for new features such as Voice over Internet Protocol (VoIP ...

7. HTC Evo 4G - Wikipedia

   en.wikipedia.org/wiki/HTC_Evo_4G

   The HTC Evo 4G (trademarked in capitals as EVO 4G, also marketed as HTC EVO WiMAX ISW11HT in Japan) is a smartphone developed by HTC Corporation and marketed as Sprint's flagship Android smartphone, running on its WiMAX network. The smartphone was launched on June 4, 2010. It was the first 4G enabled smartphone released in the United States. [9 ...