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  2. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    During the September 11 attacks, WCBS-TV channel 2 and WXTV-TV channel 41 stayed on the air. Unlike most other major New York television stations, WCBS-TV maintained a full-powered backup transmitter at the Empire State Building after moving its main transmitter to the North Tower of the World Trade Center.

  3. Motorola DynaTAC - Wikipedia

    en.wikipedia.org/wiki/Motorola_DynaTAC

    A DynaTAC 8000X; the first commercially available mobile phone from 1983. Electrical engineer Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994.

  4. Martin Cooper (inventor) - Wikipedia

    en.wikipedia.org/wiki/Martin_Cooper_(inventor)

    Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to ...

  5. List of Motorola products - Wikipedia

    en.wikipedia.org/wiki/List_of_Motorola_products

    MotoMESH – A mobile wireless broadband product providing proprietary "Mesh-Enabled Architecture" and standards-based 802.11 network access in both the unlicensed 2.4 GHz band and the licensed 4.9 GHz public-safety band; HotZone Duo – Meshed wireless broadband networking product supporting both 2.4 GHz 802.11b/g and 5.8 GHz 802.11a standards.

  6. Cellular frequencies in the United States - Wikipedia

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

    There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.

  7. Motorola ROKR - Wikipedia

    en.wikipedia.org/wiki/Motorola_ROKR

    The Motorola ROKR ( / ˈrɒkər / ), the first version of which was informally known as the iTunes phone, was a series of mobile phones from Motorola, part of a 4LTR line developed before the spin out of Motorola Mobility. ROKR models were released starting in September 2005 and ending in 2009. They were notable for incorporating support of ...

  8. Moto G 5G - Wikipedia

    en.wikipedia.org/wiki/Moto_G_5G

    Moto G 5GMotorola One 5G Ace. Moto G 5G and Motorola One 5G Ace are Android phablets developed by Motorola Mobility, a subsidiary of Lenovo. The Moto G 5G branded variant was initially released in December 2020. In the United States, it was released as Motorola One 5G Ace on 13 January 2021.

  9. Motorola Razr V3 - Wikipedia

    en.wikipedia.org/wiki/Motorola_Razr_V3

    176×220 pixel TFT LCD. The Motorola RAZR V3, popularly called simply the Razr (pronounced / ˈreɪzər / like "razor"), is a clamshell style cell phone developed by Motorola and initially released in November 2004, the first device using the RAZR moniker. With its unique and then-thin aluminium body, coupled with a high price, the RAZR V3 was ...

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