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  2. Samsung SCH-U470 - Wikipedia

    en.wikipedia.org/wiki/Samsung_SCH-U470

    The phone relies on Verizon's Get It Now application and service for users to buy and download ringtones, images, games, and apps. The service and some applications use datacalls, such as Wikimobile. This could be confused as the Internet, although there appears to be no actual mobile Internet connectivity.

  3. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    This predates and is distinct from its use in mobile phones. The Qualcomm standard IS-95, marketed as cdmaOne. The Qualcomm standard IS-2000, known as CDMA2000, is used by several mobile phone companies, including the Globalstar network. [nb 1] The UMTS 3G mobile phone standard, which uses W-CDMA. [nb 2]

  4. LG enV Touch - Wikipedia

    en.wikipedia.org/wiki/LG_enV_touch

    The LG enV Touch, also known as the Voyager 2 or VX11000, is an internet-enabled, multimedia device created by LG Electronics for use with Verizon Wireless. The phone was released on June 5, 2009 as a successor to the LG Voyager. The phone's external screen is touch enabled with a virtual keyboard and buttons.

  5. 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. WiMAX and LTE use OFDM.

  6. Samsung SPH-i700 - Wikipedia

    en.wikipedia.org/wiki/Samsung_SPH-i700

    The SPH-i700 is a Windows Mobile-powered mobile phone manufactured by Samsung of Korea. It is a powerful and expandable second generation Pocket PC phone compared to others in its class. It includes a transflective display, a VGA camera, 300 MHz Processor and supports SDIO, making it a competent PDA. It includes a complete bundle of accessories ...

  7. Treo 700w - Wikipedia

    en.wikipedia.org/wiki/Treo_700w

    As Palm's first Windows Mobile-powered Treo, the 700w offered an alternative for users who want or need to use Microsoft software. It was offered by Verizon Wireless, and other CDMA carriers. A newer version of this phone has been released, the Treo 700wx.

  8. Mobile phone signal - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_signal

    A mobile phone signal (also known as reception and service) is the signal strength (measured in dBm) received by a mobile phone from a cellular network (on the downlink). Depending on various factors, such as proximity to a tower , any obstructions such as buildings or trees, etc. this signal strength will vary.

  9. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    Since almost all mobile phones use cellular technology, including GSM, CDMA, and AMPS (analog), the term "cell phone" is in some regions, notably the US, used interchangeably with "mobile phone". However, satellite phones are mobile phones that do not communicate directly with a ground-based cellular tower but may do so indirectly by way of a ...