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  2. Radio-frequency identification - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_identification

    The RFID Network responded to these fears in the first episode of their syndicated cable TV series, saying that they are unfounded, and let RF engineers demonstrate how RFID works. [147] They provided images of RF engineers driving an RFID-enabled van around a building and trying to take an inventory of items inside.

  3. RIM-116 Rolling Airframe Missile - Wikipedia

    en.wikipedia.org/wiki/RIM-116_Rolling_Airframe...

    Mk 144 Guided Missile Launcher (GML) of the Mk 49 Guided Missile Launching System (GMLS) The RIM-116 Rolling Airframe Missile ( RAM ) is a small, lightweight, infrared homing surface-to-air missile in use by the German , Japanese , Greek , Turkish , South Korean , Saudi Arabian , Egyptian , Mexican , UAE , and United States navies.

  4. RF Online - Wikipedia

    en.wikipedia.org/wiki/RF_Online

    RF Online, originally named 'Rising Force', (Korean: 라이징 포스) is a 3D MMORPG developed by CCR. The first version of the game was released in South Korea and was later followed by Chinese (Mandarin), Japanese, Indonesian, Portuguese and English translations.

  5. Intermediate frequency - Wikipedia

    en.wikipedia.org/wiki/Intermediate_frequency

    A first intermediate frequency may even be higher than the input signal, so that all undesired responses can be easily filtered out by a fixed-tuned RF stage. [5] In a digital receiver, the analog-to-digital converter (ADC) operates at low sampling rates, so input RF must be mixed down to IF to be processed. Intermediate frequency tends to be ...

  6. M202 FLASH - Wikipedia

    en.wikipedia.org/wiki/M202_FLASH

    The M202 FLASH ("Flame Assault Shoulder") [3] is an American rocket launcher manufactured by Northrop Corporation, designed to replace the World War II–vintage flamethrowers (such as the M1 and the M2) that remained the military's standard incendiary devices well into the 1980s.

  7. AN/ALE-50 towed decoy system - Wikipedia

    en.wikipedia.org/wiki/AN/ALE-50_towed_decoy_system

    When deployed, the decoy is towed behind the host aircraft, protecting the aircraft and its crew against RF-guided missiles by luring the missile toward the decoy and away from the intended target. In both flight tests and actual combat, the ALE-50 has successfully countered numerous live firings of both surface-to-air and air-to-air missiles.

  8. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands.

  9. Superconducting radio frequency - Wikipedia

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

    An antenna is needed in the setup to couple RF power to the cavity fields and, in turn, any passing particle beam. The cold portions of the setup need to be extremely well insulated, which is best accomplished by a vacuum vessel surrounding the helium vessel and all ancillary cold components.