Wilson LMR-400 20" Ultra Low Loss White coax extension, Coax is N-Male terminated, Depending upon what you intend to connect the cable to, an adapter may be required, Cable comes finished with N/Male connectors installed, weatherproof heat shrunk and tested, Length: 20", Color: White, dB Loss (800/850MHz band): 0, 8dB, Cable diameter: 7/16"", N/Male Connector diameter: 3/4"", SKU: WLSNE145