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2. Land mobile radio system - Wikipedia

   en.wikipedia.org/wiki/Land_mobile_radio_system

   A land mobile radio system (LMRS) is a person-to-person voice communication system consisting of two-way radio transceivers (an audio transmitter and receiver in one unit) which can be stationary ( base station units), mobile (installed in vehicles), or portable (handheld transceivers e.g. "walkie-talkies"). Public land mobile radio systems are ...

3. Coaxial cable - Wikipedia

   en.wikipedia.org/wiki/Coaxial_cable

   Coaxial cable, or coax (pronounced / ˈkoʊ.æks / ), is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric ( insulating material); many coaxial cables also have a protective outer sheath or jacket. The term coaxial refers to the inner conductor and ...

4. Category:Signal cables - Wikipedia

   en.wikipedia.org/wiki/Category:Signal_cables

   Category. : Signal cables. Wikimedia Commons has media related to Telecommunication cables. Most telecommunications require cables. Balanced pairs are used for purposes requiring low cost, and coaxial or optical cables for television and other purposes requiring high bandwidth.

5. Leaky feeder - Wikipedia

   en.wikipedia.org/wiki/Leaky_feeder

   Diagram of leaky feeder cable. A leaky feeder is a communications system used in underground mining and other tunnel environments. [1] Manufacturers and cabling professionals use the term "radiating cable" [2] [3] [better source needed] [4] as this implies that the cable is designed to radiate: something that coaxial cable is not generally supposed to do.

6. RG-58 - Wikipedia

   en.wikipedia.org/wiki/RG-58

   RG-58. RG-58/U is a type of coaxial cable often used for low-power signal and RF connections. The cable has a characteristic impedance of either 50 or 52 Ω. "RG" was originally a unit indicator for bulk RF cable in the U.S. military's Joint Electronics Type Designation System. There are several versions covering the differences in core ...

7. RG-6 - Wikipedia

   en.wikipedia.org/wiki/RG-6

   RG-6 coaxial cable for television signals. RG-6 coaxial cable. RG-6/U is a common type of coaxial cable used in a wide variety of residential and commercial applications. An RG-6/U coaxial cable has a characteristic impedance of 75 ohms. The term, RG-6, is generic and is applied to a wide variety of cable designs, which differ from one another ...