VEXTRA V621QBB Quad Shield RG6 Solid Copper Coaxial Cable (Black) 18-gauge Solid Bare Copper Center Conductor Quad-shielded 60/40 Aluminum Braid Cmx-rated Flame-retardant Jacket Sweep Tested To 3ghz Ul Listed 18-Gauge Solid Bare Copper Center Conductor Quad-Shielded 60/40 Aluminum Braid CMX-Rated Flame-Retardant Jacket Swept Tested To 3 GHz UL Listed