MPD Digital RG8x-W-PL259-4ft VHF Antenna Cable RF CB & AIS Mini-8 Coaxial Jumper Silver Teflon PL-259 4' Fully Shielded-UV Protected-Salt Tested - UL Certified Marine Grade Coaxial Cable for Marine and all VHF AIS RF Radio Antennas RG8x 1/4 Inch Marine Coax with 30 PERCENT Less Loss than RG-58 and Just as Flexible 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 1 YEAR EXCHANGE for defects on All MPD Digital Cable Assemblies