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2. iPhone 3G - Wikipedia

   en.wikipedia.org/wiki/IPhone_3G

   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 .

3. iPhone 3GS - Wikipedia

   en.wikipedia.org/wiki/IPhone_3GS

   The iPhone 3GS, stylised as iPhone 3G🅂 is a smartphone that was designed, developed, and marketed by Apple Inc. It is the third generation iPhone and the successor to the iPhone 3G . It was unveiled on June 8, 2009 [8] at the WWDC 2009 which took place at the Moscone Center in San Francisco.

4. 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.

5. iPhone - Wikipedia

   en.wikipedia.org/wiki/IPhone

   The iPhone 3G introduced faster 3G connectivity, and a lower starting price of US$199 (with a two-year AT&T contract). It proved commercially popular, overtaking Motorola RAZR V3 as the best selling cell phone in the US by the end of 2008.

6. iWireless - Wikipedia

   en.wikipedia.org/wiki/IWireless

   Iowa Wireless Services LLC, doing business as iWireless, was a mobile network operator founded in 1997, not related to Kroger's service.Headquartered in Urbandale, Iowa, iWireless was a partnership between T-Mobile US, Inc. and Iowa Network Services Inc. iWireless owned licenses to operate GSM cellular networks in the PCS-1900 and AWS-1700 radio frequency bands covering Iowa, southwestern ...

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

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

   Yes, 4G & 3G speeds depending on wireless plan: Yes, U.S. coverage also usable in Puerto Rico & U.S. Virgin Islands; coverage also provided in Canada & Mexico with 5 GB of LTE data (unlimited 128 kbit/s thereafter), network normal usage policies apply; additional international calling, texting, and roaming packages available via call center or ...

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

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

   Cable & Wireless: Operational: GSM 850 / UMTS 850 / UMTS 1900 / LTE 700 ... Former Rural Com; national coverage based on iPCS technology and Wi-Nodes: 302: 780 ...

9. LTE (telecommunication) - Wikipedia

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

   v. t. e. In telecommunications, long-term evolution ( LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM / EDGE and UMTS / HSPA standards. It improves on those standards' capacity and speed by using a different radio interface and core network improvements.