The 9178B-CL199 from Alpha Wire is coaxial cable with RG-178B cable group, 30 AWG wire gauge, 7 strands / 38 AWG and 50 Ohms impedance. This cable has steel, silver coated conductor, tetrafluoroethylene (TFE) dielectric, silver coated copper braid shield (96% coverage) and clear color fluorinated ethylene-propylene (FEP) jacket with 0.071" (1.80mm) diameter. Operating temperature range is from -55°C to 200°C.