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LMR 400 UF

LMR-UF UltraFlex Communications Coax Cable

Times Microwave LMR 400 UF

LMR-400-UF Cable

LMR 400 Low Loss UltraFlex Cable
UltraFlex Communications Coax

Times Microwave LMR-400-UF Applications:

  • LMR 400 UF cable can be used as a drop-in replacement for RG8/9913 air-dielectric type cable.
  • Jumper assemblies in wireless communications systems
  • LMR-400-UF is designed for use in short antenna feeder runs.
  • Rubber outer jacket makes LMR 400 UF good for applications that require periodic/repeated flexing.

LMR 400 UF UltraFlex Construction:

  • Inner Conductor: Stranded Bare Copper
  • Dielectric: Foam Polyethylene (FPE)
  • Outer Conductor: Aluminum Tape
  • Outer Braid: Tinned Copper
  • Jacket: Black Thermoplastic Elastomer (TPE)

LMR-400-UF Cable Ratings:

  • Temperature:
    • Installation: -40°C to 85°C
    • Storage: -70°C to 85°C
    • Operating: -40°C to 85°C
  • Voltage Rating: 2500 volts

LMR 400 UF Features & Benefits:

  • Flexibility & Bending: LMR 400 UF UltraFlex features a flexible outer conductor that enables the tightest bend radius of any cable of similar size and performance.
  • Low Loss: Times Microwave LMR-400-UF offers the lowest loss of any flexible cable, a comparable loss to semirigid hard-line cables.
  • Connectors: A variety of connectors available for LMR 400 Ultraflex cable. View LMR-400-UF Connectors here.
  • RF Shielding: 50 dB greater than typical single shielded coax (40 dB) - multi-ply bonded foil outer conductor rated conservatively at 90 dB
  • Weatherability: Designed for outdoor exposure and UV resistant. LMR-400-UF outdoor coax cable offers a life expectancy of over 10 years.

See chart below and individual LMR 400 UltraFlex cable specification for full details.

LMR 400 UF Loss Attenuation by Frequency

Frequency (MHz) Attenuation (db per 100 feet)
30 0.8
50 1.1
150 1.8
220 2.2
450 3.3
900 4.7
1500 6.2
1800 6.8
2000 7.2
2500 8.1
5800 13.0

Power Handling by Frequency

Frequency (MHz) Power (watts)
30 2.77
50 2.14
150 1.22
220 1.00
450 0.69
900 0.48
1500 0.36
1800 0.33
2000 0.31
2500 0.28
5800 0.17

 

Part Number Conductor StrandingNom. Dia. of Cond.Dielectric (in)Nom. O.D. (in)Nom. Imp.Nom. Cap. (pF/ft)Approx LBS/MFT
LMR-400-UF Stranded 0.108 0.285 0.4050 50 23.9 68