Cable contains central conductor wire surrounded by insulating material and braided metal shield. This shields data transmission from EMI.
Connectors#
BNC#
Bayonet-style connectors called BNC connectors.
- stick-and-twist
- BNC: Bayonet Neill-Concelman (or British Naval Connector)
F-type#
Typically used in your tv or cable modem. Screws on.
Splitter#
Splits cable signal into two cables.
Barrel connectors#
Splice two shorter sections of cable together to make one longer section.
Cable types#
RG-59#
Primarily used for cable tv. Ohm rating: 75
RG-6#
More robust. Primarily in used today for data transmission. Ohm rating: 75
Radio Guide (RG) Rating.#
Ohm rating. Used to describe impedance and wire's capacitance.
| Rating | Ohms | Use | Connector |
|---|---|---|---|
| RG-58 | 50 | Networking | BNC |
| RG-8 | 50 | Amature Radio | |
| RG-59 | 75 | Cable TV | F Type |
| RG-6 | 75 | Cable TV | F Type |