Economical RG-59/U Siamese cable. 500FT, 18/2AWG POWER cable, 20AWG COAX Cable, Black Color 500' of RG59 + Power Siamese Cable. Black Color Great for surveillance, BNC connections. 18 AWG Gauge (power) and 20 AWG (RG59). CM Jacket (in-wall installation approved). 95% Copper Braid Shielding.