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  2. Antenna farm - Wikipedia

    en.wikipedia.org/wiki/Antenna_farm

    An antenna farm, satellite dish farm or dish farm is an area dedicated to television or radio telecommunications transmitting or receiving antenna equipment, such as C, K u or K a band satellite dish antennas, UHF/VHF/AM/FM transmitter towers or mobile cell towers.

  3. Dexcom - Wikipedia

    en.wikipedia.org/wiki/Dexcom

    The Dexcom G7 was approved in December 2022 by the FDA for use as a standalone device and is the most accurate currently approved CGM in the U.S. [18] In a 2024 interview, Jake Leach, Dexcom's COO, stated his belief that while noninvasive glucose monitoring is a "beautiful concept" current technology doesn't match the accuracy of existing ...

  4. TV-band device - Wikipedia

    en.wikipedia.org/wiki/TV-band_device

    TV band devices or TVBDs are unlicensed radio frequency devices operating in the vacant channels or white spaces between US television channels in the range of 54 to 698 MHz. The rules defining these devices were announced on November 4, 2008, and published by the U.S. Federal Communications Commission (FCC) on November 14, 2008.

  5. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...

  6. Roku - Wikipedia

    en.wikipedia.org/wiki/Roku

    In January 2021, a Roku executive said one out of three smart TVs sold in the United States and Canada came with Roku's operating system built-in. [80] In May 2020, Roku announced a 55-inch outdoor Element Roku TV. The television offers minimal reflection, an anti-glare display, 4K streaming, and can be used in bright outdoor environments. [81]

  7. Reflector (antenna) - Wikipedia

    en.wikipedia.org/wiki/Reflector_(antenna)

    a passive element slightly longer than and located behind a radiating dipole element that absorbs and re-radiates the signal in a directional way as in a Yagi antenna array. a flat reflector such as used in a Short backfire antenna or Sector antenna. a corner reflector used in UHF television antennas. a cylindrical reflector as used in Cantenna.

  8. Broadcast transmitter - Wikipedia

    en.wikipedia.org/wiki/Broadcast_transmitter

    A broadcast transmitter is an electronic device which radiates radio waves modulated with information content intended to be received by the general public. Examples are a radio broadcasting transmitter which transmits audio (sound) to broadcast radio receivers (radios) owned by the public, or a television transmitter, which transmits moving images to television receivers (televisions).

  9. Smart antenna - Wikipedia

    en.wikipedia.org/wiki/Smart_antenna

    Smart antennas (also known as adaptive array antennas, digital antenna arrays, multiple antennas and, recently, MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signatures such as the direction of arrival (DOA) of the signal, and use them to calculate beamforming vectors which are used to track and locate the antenna beam on the mobile/target.