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  2. Base station - Wikipedia

    en.wikipedia.org/wiki/Base_station

    The base station is one end of a communications link. The other end is a movable vehicle-mounted radio or walkie-talkie. [6] Examples of base station uses in two-way radio include the dispatch of tow trucks and taxicabs. Basic base station elements used in a remote-controlled installation. Selective calling options such as CTCSS are optional ...

  3. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...

  4. 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 ...

  5. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment ...

  6. File:Base station 2 channel block diagram.png - Wikipedia

    en.wikipedia.org/wiki/File:Base_station_2...

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  7. TETRA - Wikipedia

    en.wikipedia.org/wiki/TETRA

    The next diagram illustrates where a given TETRA radio cell initial selection. The initial cell selection is performed by procedures located in the MLE and in the MAC. When the cell selection is made, and possible registration is performed, the mobile station (MS) is said to be attached to the cell.

  8. File:Base station 2 channel block diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Base_station_2...

    English: Block diagram is from: "Figure 2: Two Channel VHF Base Station," Planning Emergency Medical Communications: Volume 2, Local/Regional Level Planning Guide, (Washington, D.C.: National Highway Traffic Safety Administration, US Department of Transportation, 1995) pp. 42. The word "antenna" was added to the original so that those ...

  9. Two-way communication - Wikipedia

    en.wikipedia.org/wiki/Two-way_communication

    When information is exchanged between superior and subordinate, it is known as vertical two-way communication. On the other hand, when communication takes place between persons holding the same rank or position, it is called horizontal two-way communication. Two-way communication is represented in the following diagrams: [3]