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2. Coaxial cable - Wikipedia

   en.wikipedia.org/wiki/Coaxial_cable

   RG-62 is a 93 Ω coaxial cable originally used in mainframe computer networks in the 1970s and early 1980s (it was the cable used to connect IBM 3270 terminals to IBM 3274/3174 terminal cluster controllers). Later, some manufacturers of LAN equipment, such as Datapoint for ARCNET, adopted RG-62 as their coaxial cable standard. The cable has the ...

3. List of video connectors - Wikipedia

   en.wikipedia.org/wiki/List_of_video_connectors

   Generally use coaxial cable types such as RG-6 and RG-59 (except for twin-lead). Belling-Lee/IEC 169-2 connector TV aerial plug (a.k.a. antenna plug) Television antenna connection for most video devices outside North America. Used by early home computers and game consoles to connect them to TVs because of the lack of any other connector.

4. Velocity factor - Wikipedia

   en.wikipedia.org/wiki/Velocity_factor

   The velocity factor (VF), [1] also called wave propagation (relative) speed or (relative) velocity of propagation (VoP or ), [2] of a transmission medium is the ratio of the speed at which a wavefront (of an electromagnetic signal, a radio signal, a light pulse in an optical fibre or a change of the electrical voltage on a copper wire) passes through the medium, to the speed of light in vacuum.

5. List of RF connector types - Wikipedia

   en.wikipedia.org/wiki/List_of_RF_connector_types

   A double DIN 1.6/5.6 bulkhead jack connector, crimp type, for 75 Ω coaxial cable A Type N connector (male), right-angled solder-type for semi-rigid coaxial cable with a diameter of 0.141-inch. 4.1-9.5 connector, standardized as DIN 47231 (in 1974) and IEC 60169-11 (in 1977) 4.3-10 connector, formerly known as DIN 4.3/10, now standardized as ...

6. Telecommunications - Wikipedia

   en.wikipedia.org/wiki/Telecommunications

   Coaxial cable types are classified by RG type or radio guide, terminology derived from World War II. The various RG designations are used to classify the specific signal transmission applications. [43] This last channel is called the free space channel. The sending of radio waves from one place to another has nothing to do with the presence or ...

7. Ethernet over coax - Wikipedia

   en.wikipedia.org/wiki/Ethernet_over_coax

   The first Ethernet standard, known as 10BASE5 (ThickNet) in the family of IEEE 802.3, specified baseband operation over 50 ohm coaxial cable, which remained the principal medium into the 1980s, when 10BASE2 (ThinNet) coax replaced it in deployments in the 1980s; both being replaced in the 1990s when thinner, cheaper twisted pair cabling came to dominate the market.