Shure UA8100 100-Feet UHF Remote Antenna Extension Cable Go to amazon.com Related posts Top 8 best bnc rg213 FeatureCoaxial Cable, BNC-BNC, RG213/U Type, 50 Ohm, 100 ft. length (30 m).Shure Model: UA8100UPC Code: 42406088602 DescriptionShure UA8100 100' UHF Remote Antenna Extension Cable, BNC-BNC, RG213/U Type