- RG-58 /U – 50 ohm, with a solid copper wire core.
- RG-58 A/U* – 50 ohm, with a stranded wire core.
- RG-58 C/U* – Military version of RG-58 A/U.
- RG-59 – 75 ohm, for broadband transmission such as cable TV.
- RG-62 – 93 ohm, primarily used for ArcNet.
- RG-6 – Used for satellite cable (if you want to run a cable to a satellite!).
*Only these are part of the IEEE specification for ethernet networks.