You should be able to find some information in the specs for the particular cable.
If you let us know the application it might make it clear what you need to know.
There are many coax cables. Do you mean the type that is used for RF such as RG59, RG6, and RG11?
If you need to use coax as an HDMI cable then it depends on the adapters you use as well as the cable. The adapters will specify which RG type it will work with.
If you need to use coax as an composite video cable that would be limited to 480i.