MPD Digital n-bnc-jumper RF Coaxial Jumper/Adapter Cable, 20-Inch US MADE Ultra Low-loss Double Shielded MILSPEC RG-58u Coaxial Cable exceeding all US, NATO and IDF MIL-C-17 Standards - NOT Made in China Double Shielded 95% Copper Braid Center conductor- NOT Made in China Outer Jacket Material: Flexible UV Proof FR-PVC, Outer Diameter: .195 nom., SRL: per MIL-C-17/74 Assembled by MPD Digital - a DoD Supplier - in our GA Facility using MILSPEC Components Impedance 50 Ohms Frequency Range DC ~ 2 GHz