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  2. Pager - Wikipedia

    Pagers operate as part of a paging system which includes one or more fixed transmitters (or in the case of response pagers and two-way pagers, one or more base stations), as well as a number of pagers carried by mobile users. These systems can range from a restaurant system with a single low-power transmitter, to a nationwide system with ...

  3. Iridium Communications - Wikipedia

    Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia.Iridium operates the Iridium satellite constellation, a system of 66 active satellites (and 9 spares in space) used for worldwide voice and data communication from hand-held satellite phones and other transceiver units.

  4. List of Motorola products - Wikipedia

    This is a list of Motorola products.Motorola Mobility is an American subsidiary company of Chinese multinational technology company Lenovo that manufactures consumer electronics and telecommunications products.

  5. Improved Mobile Telephone Service - Wikipedia

    IMTS was the radiotelephone equivalent of land dial phone service. Introduced in 1964, it replaced Mobile Telephone Service (MTS) and improved on most MTS systems by offering direct-dial rather than connections through a live operator, and full-duplex operation so both parties could talk at the same time.

  6. SK Telecom - Wikipedia

    In June 1998, SK Telink, the international call service division, started offering commercial overseas call service. In December 1998, SK Teletech launched its first handset. In April 1999, SK Telecom entered the Mongolian market by co-founding Skytel LLC with nearly 30 percent ownership stake.

  7. Improvised explosive device - Wikipedia

    An RCIED can be triggered from any number of different radio-frequency based mechanisms including handheld remote control transmitters, car alarms, wireless door bells, cell phones, pagers and portable two-way radios, including those designed for the UHF PMR446, FRS, and GMRS services.