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  2. 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.

  3. Martin Cooper (inventor) - Wikipedia

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

    That original handset, called the DynaTAC 8000x (DYNamic Adaptive Total Area Coverage) weighed 2.5 pounds (1.1 kg), measured 10 inches (25 cm) long and was dubbed "the brick" or "the shoe" phone. A very substantial part of the DynaTAC was the battery, which weighed four to five times more than a modern cell phone.

  4. Lively (company) - Wikipedia

    en.wikipedia.org/wiki/Lively_(company)

    Its Jitterbug Flip network experienced a network disruption at the start of 2023, with Best Buy stating that Jitterbug Flip2 phones, Jitterbug smartphones, and Lively-branded phones weren't impacted. Verizon is the 3G provider for Lively, and the network issues followed Verizon's retirement of its 3G mobile network.

  5. 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.

  6. Coverage (telecommunication) - Wikipedia

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

    Coverage noticer. A coverage noticer is a device that beeps (or vibrates) when in a zone that lacks coverage ( white spot ). This is fundamental for critical services (security, emergency and so on). When the user goes to a covered area, the noticer ceases beeping. Similarly coverage maps are often used to visualize coverage, these are produced ...

  7. Will cell phone carriers need to boost coverage in Erie ... - AOL

    www.aol.com/cell-phone-carriers-boost-coverage...

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