RG-213/U Double shield cable 25Ft 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 221-213-25 221-21325 213-25 21325 UPC: 727932016960