RG-213/U Double shield cable 50Ft w/ PL-259 to Pl-259 Non-contaminating 105 degree centigrade black jacket Military Spec MIL-C-17G 66% Velocity 50 Ohms Bare copper braid 97% shield plus foil shield Stranded bare copper center conductor Solid insulation PL-259 UHF male to PL-259 UHF male connectors Additional Model #'s 221-213-50 221-21350 213-50 21350 UPC: 727932015192