1 coax 18 AWG UL+CL2 Fired tested Bare Copper Covered Steel conductors Foam PE - Foam Polyethylene insulation Quad Shield Aluminum Foil shield plus tin copper braided shield with 60% shield coverage plus Aluminum Foil-Polyester Tape-(Dual?foil/Mylar) shield plus aluminum Braid shield with 40% shield coverage PVC ? Series 6 RG Type. Swept tested 2200MHz. 1000ft