A plug and socket for coaxial cable. RCA connectors are used ... For decades, both RCA and the smaller mini-phone 3.5mm connectors have been the most widely used plugs and sockets on consumer ...

So here follows my preferences — what I reach for when I want a coax connector. A UHF plug. By Appaloosa (Own work) [CC BY-SA 3.0 or GFDL], via Wikimedia Commons. If rugged dependability is your ...