This is Dynawave's "Electrically Optimized" RF/Microwave interconnect cable series. The Series DF200 also features a wrapped foil outer conductor that minimizes attenuation and greatly improves phase stability with flexure. In addition, the ultra low density DynaCore™ PTFE dielectric improves phase over temperature. This type of construction offers excellent electrical performance where low attenuation or phase stability is required. If the application involves radial torque forces that are greater than 15 lb-in additional armor protection would be recommended.