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Davis RF RG-11 Direct Burial Coax – 75 Ohm Low-Loss Cable for Underground Installations

Davis RF RG-11 Direct Burial coaxial cable is specifically engineered for long-run underground signal transmission in CATV, broadband, and RF distribution systems. Featuring a UV- and moisture-resistant polyethylene jacket, this 75 Ohm coax offers low attenuation and excellent durability in outdoor and buried environments.

Why Choose Davis RF RG-11 Direct Burial?

  • ✅ Direct Burial Rated – Rugged polyethylene jacket resists moisture, soil, and UV exposure
  • ✅ Low Signal Loss – Larger core and foamed dielectric minimize attenuation over long runs
  • ✅ 75 Ohm Impedance – Consistent performance for CATV, satellite, and broadband use
  • ✅ Durable Construction – Ideal for permanent underground cable routes

Common Applications

  • ✅ Underground CATV and satellite signal distribution
  • ✅ Outdoor broadband infrastructure
  • ✅ Long-distance AV and RF signal paths
  • ✅ Burial between structures, poles, and tower bases

Specifications

  • ✅ Impedance: 75 Ohms
  • ✅ Center Conductor: Solid copper-clad steel
  • ✅ Dielectric: Foamed polyethylene
  • ✅ Shielding: 60% aluminum braid + foil (quad-shield optional)
  • ✅ Jacket: Black polyethylene (PE), direct burial rated
  • ✅ Outer Diameter: ~0.405" (10.3 mm)
  • ✅ Attenuation @ 100 MHz: ~1.1 dB/100 ft
  • ✅ Frequency Range: DC to 3 GHz

Designed for long-term outdoor reliability, Davis RF RG-11 Direct Burial coax is the ideal solution for installations that require underground runs with minimal signal loss and high resistance to the elements.


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Davis RF RG-11DB (75 ohm) Type Coax 100 FT
Our price: $68.85
Sale Price: $66.85
Savings: $2.00
75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket RG-11 DB (direct burial) 75 OHM, "Sold By The Foot" Just enter the total number of feet needed in the Qty Box. 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket
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Davis RF RG-11DB (75 ohm) Type Coax 150 FT
Our price: $102.85
Sale Price: $99.85
Savings: $3.00
Davis RF RG-11DB (75 ohm) Type Coax 250 FT
Our price: $170.85
Sale Price: $167.85
Savings: $3.00
75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket
Davis - RF-11DB 75 OHM Davis - RF-11DB 75 OHM Davis - RF-11DB 75 OHM
Davis RF RG-11DB (75 ohm) Type Coax 350 FT
Our price: $238.85
Sale Price: $234.85
Savings: $4.00
Davis RF RG-11DB (75 ohm) Type Coax 500 FT
Our price: $340.85
Sale Price: $335.85
Savings: $5.00
75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket 75 ohm, DB (direct burial) 14 AWG solid BARE COPPER COVERED STEEL, foam PE, foil shield w/ AL braid, black PE jacket