RG-6 (which originally stand for Radio Guide) is used to refer to coaxial cables with an 18 AWG center conductor and 75 ohm characteristic impedance. RCA Compression Connector is designed for terminating long RG6 coax cable runs, 6 color-coded bands included for field-configurable cable ID during installation. RG6 Coaxial Cable to RCA Compression Connector installation procedures.