RG59 1000FT Siamese Coaxial Cable Black Reel in a Pull-Out Box for easy installation Perfect for Security systems, Surveillance cameras, Satellite, Cable TV, Antenna installations, etc. Center conductor 20AWG, 95% braid with 100% shield, PVC jacket. Dual Shielding. Fully Sweep - Tested to 3000MHz, 75 Ohm Power 18AWG Gauge.