US MADE LMR-400-DB   This is a low loss,50 ohm shielded 50ft coax assembly suitable for all HF/VHF/UHF application up to and including 450MHz. Perfect for Amateur Radio(Ham) and CB applications. Direct Bury is a premium version designed for extended contact with water. This coax is made with silicon gel between the jacket and dielectric to prevent water from migrating should the jacket be compromised.