MPD Digital RG8x-W-NF-PL259-6ft Antenna Extension Cable Made in the U.S.A. By FCC licensed ham radio operators - swept with bird site hawk sk-4000 TO assure VSWR less than 1: 1.35 Marine grade cable with silver Teflon UHF connectors is designed for 15 year outdoor exposure in harsh environments - when your life is at stake Buy coax that can be trusted. 60 Day Returns - plus a 1 year exchange for defects on all MPD Digital cable assemblies 100% made in the USA This is an ultra low loss Marine grade coaxial cable designed to be used for all shipboard radios and scanners where reliability and Ultra low loss Cable is required.