Check the listing for details. UFB311A Type 18 GHz Ultra Low Loss & Phase Stable Microwave Cable ( 10 Meter ). Condition: New. Listed at 550.00 USD. ( https://www.ebay.com/str/MIL-C-17 ) 18 GHz Ultra Low Loss & Phase Stable " MFL311SD " Microwave Coaxial Cable ( " 10 Meter " ) based on Excellent VSWR and Low Loss Performance ~ 18.0 GHz " MFL311SD " is the cable for replacement of the following cables.Micro-Coax Utiflex UFB311A, Rosenberger RTK081Huber+Suhner ( Sucoflex 106, Sucoflex 118 ), Harbour LL335IW 2801, Semflex ( LA290, HP305 ), Times Microwave Systems ( HF-290 ) ... ................................................................................................................................................................................. Composition of MFL311SD Ultra Low Loss Cable Class of CableLD PTFE Dielectric Coaxial CableCable Part NameMFL311SD Flex AbilityFlexibleImpedance50 OhmCenter Conductor TypeSilver Plated Solid Copper WireDielectric TypeePTFE Tape Wrapping DielectricVelocity of Propagation83 %Shield Type and No. of Shield LayerSilver Plated Copper Strip Taping& SPC Round Wire Braid Shield LayerJacket Diameter7.90 mm ( 0.311 inch )Jacket MaterialFEPMax. Frequency18.0 GHzOperating Temperature- 55℃ ~ 165℃ .................................................................................................................................................................................................. MIL-C-17