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  2. Signal strength in telecommunications - Wikipedia

    en.wikipedia.org/wiki/Signal_strength_in...

    The electric field strength at a specific point can be determined from the power delivered to the transmitting antenna, its geometry and radiation resistance. Consider the case of a center-fed half-wave dipole antenna in free space, where the total length L is equal to one half wavelength (λ/2). If constructed from thin conductors, the current ...

  3. Mobile phone signal - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_signal

    Generally, a strong mobile phone signal is more likely in an urban area, though these areas can also have some "dead zones", where no reception can be obtained. Cellular signals are designed to be resistant to multipath reception, which is most likely to be caused by the blocking of a direct signal path by large buildings, such as high-rise towers.

  4. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    The antennas contained in mobile phones, including smartphones, emit radiofrequency (RF) radiation (non-ionizing "radio waves" such as microwaves); the parts of the head or body nearest to the antenna can absorb this energy and convert it to heat or to synchronised molecular vibrations (the term 'heat', properly applies only to disordered molecular motion).

  5. Peregrine Semiconductor and LG Electronics Team Up for Antenna Tuning in Optimus G Pro Smartphone DuNE™ technology enables smaller antenna, enhanced RF performance in full HD phone SAN DIEGO ...

  6. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    This allows mobile phones and other devices to be connected to the public switched telephone network and public Internet access. In addition to traditional voice and data services, cellular networks now support Internet of Things (IoT) applications, connecting devices such as smart meters , vehicles, and industrial sensors.

  7. List of UWB-enabled mobile devices - Wikipedia

    en.wikipedia.org/wiki/List_of_UWB-enabled_mobile...

    Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum.

  8. Effective radiated power - Wikipedia

    en.wikipedia.org/wiki/Effective_radiated_power

    It is the total power in watts that would have to be radiated by a half-wave dipole antenna to give the same radiation intensity (signal strength or power flux density in watts per square meter) as the actual source antenna at a distant receiver located in the direction of the antenna's strongest beam . ERP measures the combination of the power ...

  9. List of Nokia products - Wikipedia

    en.wikipedia.org/wiki/List_of_Nokia_products

    Some phones in this family also test features. The 7000 series are considered to be a more consumer-oriented family of phones when contrasted to the business-oriented 6000 series. The family is also distinguished from the 3000-series phones as being more mature and female-oriented, while the 3000-series was largely targeted towards the youth ...

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