Davis RF Bury-FLEX® – Low Loss Direct Burial Coax Cable

Davis RF Bury-FLEX® is a premium low-loss 50 Ohm coaxial cable designed for direct burial applications and long outdoor runs where flexibility and durability are essential. Built for permanent installation underground or in conduit, Bury-FLEX offers reliable performance across a wide range of frequencies with excellent shielding and low attenuation.

Key Features:

• ✅ Engineered for direct burial — rugged PE jacket resists moisture, chemicals, and UV exposure
• ✅ Superior flexibility compared to standard RG-213 — easier to handle and install
• ✅ Low attenuation across HF, VHF, UHF, and microwave bands
• ✅ High shielding effectiveness — excellent EMI/RFI rejection
• ✅ Ideal for long cable runs in challenging outdoor environments

Attenuation Characteristics:

• ✅ ~1.4 dB per 100 ft @ 50 MHz (HF band)
• ✅ ~2.6 dB per 100 ft @ 144 MHz (VHF band)
• ✅ ~4.5 dB per 100 ft @ 440 MHz (UHF band)
• ✅ ~6.9 dB per 100 ft @ 900 MHz
• ✅ Excellent performance up through 1.2 GHz and beyond

Common Applications:

• ✅ Amateur radio HF/VHF/UHF antenna feedlines
• ✅ Repeater installations with long feedline runs
• ✅ Direct burial feedlines to remote antenna locations
• ✅ Satellite and Wi-Fi outdoor cabling

Available by the foot or in custom-cut lengths. Davis RF Bury-FLEX® is trusted by professionals and amateurs alike for its balance of flexibility, shielding, and long-term reliability in harsh environments. Contact us for technical assistance or quantity pricing.