LMR 300-75 Ohm

The LMR 300-75 ohm coaxial cable is a flexible, low-loss cable manufactured by Harbour Industries. This cable features a bare copper inner conductor and an aluminum tape outer conductor. This outer conductor enables the tightest bend radius of any cable of similar size and performance. It also has a foam PE dielectric, a tinned copper braid, and a black PE jacket. The LMR 300-75 Ohm is UV resistant, is suitable for outdoor exposure, and has the lowest loss of any comparable flexible cable.

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LMR 300-75 Ohm Coax Cable Specifications

LMR 300-75 Construction:

  • Inner Conductor: Solid Bare Copper
  • Dielectric: Foam PTFE
  • Outer Conductor: Aluminum Tape
  • Outer Braid: Tinned Copper

LMR 300-75 Ratings:

  • Temperature:
    • Installation: -40°C to 85°C
    • Storage: -70°C to 85°C
    • Operating: -40°C to 85°C
  • RF Shielding: 50 dB greater than typical single shielded coax (40 dB) - multi-ply bonded foil outer conductor rated conservatively at 90 dB

LMR 300-75 Applications:

  • Video Applications-CCTV, CATV, baseband, or broadband
  • In-Building feeder runs
  • May also be used in any 75-ohm wireless application requiring easily routed, low loss RF cable