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  2. Yaesu (brand) - Wikipedia

    en.wikipedia.org/wiki/Yaesu_(brand)

    Widespread Yaesu FT50 UHF/VHF radio. Yaesu is a Japanese brand of amateur radio equipment, founded as Yaesu Musen Co., Ltd. (八重洲無線株式会社, Yaesu Musen Kabushiki-gaisha) in 1959 by a Japanese radio amateur Sako Hasegawa (call sign JA1MP [1]) in Yaesu, Japan, a district of Tokyo.

  3. Yaesu VX series - Wikipedia

    en.wikipedia.org/wiki/Yaesu_VX_series

    The Yaesu VX series is a line of two sequences of compact amateur radio handheld transceivers produced by Yaesu.There is a line of ultra-compact lower-power dual-band (2 m and 70 cm) transceivers that started with the VX-1R and was later updated with the VX-2R and VX-3R.

  4. Improved Mobile Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Improved_Mobile_Telephone...

    The original Bell System US and Canadian mobile telephone system includes three frequency bands, VHF Low (35-44 MHz, 9 channels), VHF High (152-158 MHz, 11 channels in the U.S., 13 channels in Canada), and UHF (454-460 MHz, 12 channels). Alternative names were "Low Band", "High band" and "UHF".

  5. Have Quick - Wikipedia

    en.wikipedia.org/wiki/HAVE_QUICK

    Have Quick (also HAVEQUICK, short HQ) is an ECM-resistant frequency-hopping system used to protect military aeronautical mobile (OR) radio traffic. Since the end of World War II , U.S. and Allied military aircraft have used AM radios in the NATO harmonised 225–400 MHz UHF band (part of NATO B band [ 1 ] ) for short range air-to-air and ground ...

  6. List of amateur radio transceivers - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio...

    The Yaesu FT-857 is one of the smallest MF/HF/VHF/UHF multimode general-coverage amateur radio transceivers. [46] The set is built by the Japanese Vertex Standard Corporation and is sold under the Yaesu brand. [47] The FT-857 is developed on the FT-897 and MARK-V FT-1000MP transceivers. [46]

  7. MDC-1200 - Wikipedia

    en.wikipedia.org/wiki/MDC-1200

    MDC (Motorola Data Communications), also known as Stat-Alert, MDC-1200 and MDC-600, is a Motorola two-way radio low-speed data system using audio frequency shift keying, (AFSK). MDC-600 uses a 600 baud data rate.

  8. Trunked radio system - Wikipedia

    en.wikipedia.org/wiki/Trunked_radio_system

    A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...

  9. AN/ARC-182 - Wikipedia

    en.wikipedia.org/wiki/AN/ARC-182

    It covers both Ultra High Frequency (UHF) and Very High Frequency (VHF) bands with AM, FM, as appropriate. The ARC-182 radio supports the HAVE QUICK II anti-jam waveforms, with an optional control unit. It features a guard channel capability for monitoring 40.5, 121.5, 156.8 and 243 MHz. Transmitter minimum power is 10 watts, AM, and 15 watts, FM.