RG-8X coax is a step up from standard RG-58 coaxial and is recommended for high-powered applications or users who simply want the best coax possible RG-8X male to male jumper for ham radio and CB. 50ft shielded 50 ohm cable with molded-on PL-259 plugs on each end. All the connections inside are soldered and the cable is made of copper conductors. RG8X coax is a step up from standard RG-58 coaxial and is recommended for high-powered applications or users who simply want the best coax possible.