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LMR-400-UF Cable Assemblies

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LMR-400-UF Cable  Assemblies

Times Microwave's UltraFlex series LMR(R) cables feature stranded center conductor and rubberized outer jacket designed to withstand repeated bending. The LMR-400-UF Cable Assemblies series are used for both indoor and outdoor applications.

  • LMR-400-UF Times Microwave Cable SpecificationsLMR-400-UF Times Microwave Cable Specifications

LMR-400-UF UltraFlex Outer Jacket Construction properties include a Rubberized Thermoplastic Elastomer Jacket that is UV and Weather Resistant making it an Ideal choice for Low Loss Cable for outdoor use. These unmatched cable characteristics give the LMR-400UF Ultraflex a life expectancy of 10+ years in outdoor environment.

LMR400UF Is a direct replacement for Typical RG-8 and Belden 9913 cable types.

The dual RF Shielding includes an outer overall Tinned Copper braid which over lays a multi-ply bonded foil shield. The shield combination gives this LMR240 a 50dB greater RF Shielding over typical single shielded coax cable (40 dB).

The aerated Foam Polyethylene dielectric and Stranded Bare Copper Center conductor (0.108") add to the coaxial cables extreme flexibility while aiding the cables performance in extreme conditions. The stranded flexible center conductor enables the tightest bend radius available for any cable of
similar size and performance.

The overall construction of the LMR400 UltraFlex Cable gives additional qualities such as tensile Strength up to 160lbs with a continuous bend radius of 4in.

Field Components offers in house Custom Coaxial Cable Assemblies using True Times Microwave LMR-400-UF UltraFlex Cable. This allows Field Components the opportunity to build virtually any variety of LMR400 UltraFlex cable and connector options. All LMR Cable Assemblies are terminated and sealed with UV resistant and weather proof Adhesive Lined Shrink Tubing. The Adhesive lined shrink tubing aids in the protection against the elements and added strain relief. Additionally we can add custom labels on your cables (upon request) which can include your part numbers, your logo, cable destination and cable orientation. Additional specification for requested Custom Labels can be UV resistant, Water proof and in some cases full Color.

All LMR-400-UltraFlex Cables are Assembled in House (USA)

Below is a list of the more common LMR-400-UF Cable Assembly types with their relative connectors. Choose your connector specification needs.

Choose From Over 69 LMR-400-UF Cable Assemblies Connector Combinations
Fast Find Your Exact Cables Assembly Now!
Connector side 1
Connector side 2

Cable Type

Select Cable parameters
Construction Specifications

Inner Conductor: Stranded Bare Copper
Inner Conductor Diameter: 0.108in (2.74mm)
Dielectric: Foam Polyethylene
Dielectric Diameter: 0.285in (7.24mm)
Outer Shield: Aluminum Tape
Outer Shield Diameter: 0.291in (7.39mm)
Overall Braid: Tinned Copper
Overall Braid Diameter: 0.320in (8.13mm)
Jacket: Black Thermoplastic Elastomer
Overall Cable Diameter: 0.405in (10.29mm)

Environmental Specifications

Installation Temperature Range: F-40/+185 [C-40/+85]
Storage Temperature Range: F-94/+185 [C-70/+85]
Operating Temperature Range: F-40/+185 [C-40/+85]

Electrical Specifications

Velocity of Propagation: 85%
Dielectric Constant: 1.38
Time Delay: 1.20nS/ft (3.92nS/m)
Impedance: 50ohms
Capacitance: 23.9pF/ft (78.40pF/m)
Inductance: 0.060uH/ft (0.21uH/m)
Shielding Effectiveness: >90dB


DC Resistance

Inner Conductor: 1.07ohms/1000ft (3.51/km)
Outer Conductor: 1.65ohms/1000ft (5.4/km)
Voltage Withstand: 2500Volts DC
Jacket Spark: 8000Volts RMS
Peak Power: 16kW

Cutoff Frequency: 16.2GHz

Frequency (MHz) 30 50 150 220 450 900 1500 1800 2000 2500 5800
Attenuation dB/100 ft 0.8 1.1 1.8 2.2 3.3 4.7 6.2 6.8 7.2 8.1 13.0
Attenuation dB/100 m 2.7 3.5 6.1 7.4 10.7 15.4 20.2 22.3 23.6 26.6 42.6
Avg. Power kW 2.77 2.14 1.22 1.00 0.69 0.48 0.36 0.33 0.31 0.28 0.17