Rg 6 catv coax for cable tv, broadband internet and video interconnects and telephony service from cable tv service providers. Frequency sweep tested to 3Ghz to ensure full HD transmission of all channels. Dual shield style (foil and aluminum braid.) rated as communication cable (cm) for permanent installation in concealed spaces (NEC, cm). black jacket; 250 ft. reel. Print legend includes: in.Rg6 18 awg ccs dual shield 60% al braid cm or Cl2 or catv 75C sun res swept to 3.0 ghz in. Southwire Company, LLC is North America's leading manufacturer of wire and cable used in the distribution and transmission of electricity. Throughout its history, our company has sought to help provide power through our products, our service and by helping empower our customers, employees and communities.