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  2. Motorola Type II VOC - Wikipedia

    en.wikipedia.org/wiki/Motorola_Type_II_VOC

    IR sites are generally used for a small geographic area or to fill in holes. For sites that are used to fill in coverage traffic is very limited. To allow as limited a number of channels for use, and to be spectrum efficient, Voice On Control (VOC) was developed to permit the control channel to temporarily act as a voice channel. [ 1 ]

  3. Intermountain Intertie - Wikipedia

    en.wikipedia.org/wiki/Intermountain_Intertie

    The Intermountain Intertie is the largest linked amateur radio repeater system in the state of Utah. Managed by the Utah VHF Society , [ 1 ] the Intermountain Intertie primarily covers areas west of the Wasatch Front , from Saint George to Tremonton .

  4. Radio repeater - Wikipedia

    en.wikipedia.org/wiki/Radio_repeater

    Some repeaters use two different frequency bands to provide isolation between input and output or as a convenience. In a communications satellite, a transponder serves a similar function, but the transponder does not necessarily demodulate the relayed signals. A continuous-duty, rack-mount iDEN digital trunked system repeater at a cell site.

  5. Amateur radio repeater - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_repeater

    An amateur radio repeater system consisting of a 70 cm repeater and a 2-meter digipeater and iGate. Coaxial cavity RF filter at 2 meter repeater An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer ...

  6. RC-5 - Wikipedia

    en.wikipedia.org/wiki/RC-5

    The first would be to capture the IR bitstream from the handset of newer Philips products, such as DVD players and analyze them to see what system number is used. The other would be to use the popular Philips Pronto series of programmable remote controls. These can be programmed to operate Philips components using the RC-5 protocol.

  7. Passive repeater - Wikipedia

    en.wikipedia.org/wiki/Passive_repeater

    A typical microwave repeater link setup, this one located near Salt Lake City, Utah, USA(removed in 2013) Operation principle. A passive repeater or passive radio link deflection, is a reflective or sometimes refractive panel or other object that assists in closing a radio or microwave link, in places where an obstacle in the signal path blocks any direct, line of sight communication.

  8. Repeater - Wikipedia

    en.wikipedia.org/wiki/Repeater

    While the repeater station is designed for simultaneous reception and transmission, mobile units need not be equipped with the bulky and costly duplexers, as they only transmit or receive at any time. Mobile units in a repeater system may be provided with a "talkaround" channel that allows direct mobile-to-mobile operation on a single channel ...

  9. Distributed antenna system - Wikipedia

    en.wikipedia.org/wiki/Distributed_antenna_system

    A distributed antenna system can be implemented using passive splitters and feeders, or active-repeater amplifiers can be included to overcome the feeder losses. In systems where equalization is applied, it may be desirable to introduce delays between the antenna elements.

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