Times Microwave mr400-n-nf-2- LMR400 N Male to N Female Jumpers - LMR-400 US Made Coax Cable (2') 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 This low loss coaxial transmission Line can be used in almost any application where good handling characteristics, improved shielding, and low loss is required 60 Day Returns - plus a 1 year exchange for defects on all mpd digital cable assemblies 100% Shield and foam dielectric around center retains strong digital or analog signal providing RF connectivity Connects amateur radio, Scientific, and technical equipment and extends existing cables