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  2. Radio-frequency microelectromechanical system - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_micro...

    The prior art includes an RF MEMS frequency tunable fractal antenna for the 0.1–6 GHz frequency range, [18] and the actual integration of RF MEMS switches on a self-similar Sierpinski gasket antenna to increase its number of resonant frequencies, extending its range to 8 GHz, 14 GHz and 25 GHz, [19] [20] an RF MEMS radiation pattern ...

  3. Radio Frequency Systems - Wikipedia

    en.wikipedia.org/wiki/Radio_Frequency_Systems

    In 2022, RFS stops local production in Brazil and ramps down production of broadcast antennas and combiners [4] in Australia, followed by a ramp down of production of microwave antennas in France in 2023. In 2023, Amphenol (USA) acquires the North American division of RFS’s cable business, [5] as well as the global RFS Base Station Antenna ...

  4. Superconducting radio frequency - Wikipedia

    en.wikipedia.org/wiki/Superconducting_radio...

    Electromagnetic fields are excited in the cavity by coupling in an RF source with an antenna. When the RF fed by the antenna is the same as that of a cavity mode, the resonant fields build to high amplitudes. Charged particles passing through apertures in the cavity are then accelerated by the electric fields and deflected by the magnetic fields.

  5. Pulse Electronics Announces Catalog NFC Antennas - AOL

    www.aol.com/news/2013-04-17-pulse-electronics...

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  6. The best tech for adults over 65 we spotted at CES this year

    www.aol.com/lifestyle/ces-2025-aging-in-place...

    Instead, CES 2025 saw the return of Japanese tech company Asahi Kasei, back with millimeter-wave (mmWave) radar sensors that can sense a fall in a room, such as in a bedroom or bathroom, and ...

  7. Antenna types - Wikipedia

    en.wikipedia.org/wiki/Antenna_types

    Although no real antenna can be exactly isotropic, a few antennas are built to be as near to isotropic as possible; they are used for emergency backup antennas and for test equipment for other antennas: Because the received and transmitted signal strength is the same in (almost) every direction, they work without any need for them to be any ...

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