olemus
üht või mitut samateljeliste silindriliste voolujuhtide paari sisaldav kaabel

Wiktionary:
a transmission line, consisting of a conducting wire surrounded by an insulated spacer, surrounded by a cylindrical conducting sheath; used to carry high frequency signals such as TV

näiteid
https://duckduckgo.com/?q=coaxial+cable&t=h_&iax=images&ia=images

ülevaateid
https://en.wikipedia.org/wiki/Coaxial_cable

standardid
https://webstore.iec.ch/preview/info_iec61196-9%7Bed1.0%7Den.pdf

https://incompliancemag.com/updates-to-iec-61196-standard-for-coaxial-communication-cables/