... Dual b) Quad shield c) Messenger d) Quad s RG RG MIL-C-17 Coaxial Cable RG-Type187 Structure 1Inner ... MHz0.5411000 MHz0.8693000 MHz- Application ,,,,,.GHz.Coaxial cables are used in high frequency transmission, especially ... Coaxial cables mean that they can be used up into the GHz levels, as per cable ... polyethylenePFA- Perfluoroalkyl-Tetrafluoroethylene Copolymer RG 187 coaxial cable for communications