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PC PacRatt II for DOS
PC PacRatt II for DOS
LMR 400 (RG-8) 100 ft precut
LMR 400 (RG-8) 100 ft precut

LMR 400 (RG-8) 100 ft pre-cut

Flexible Low Loss Communications Coax
Ideal for…

  • Drop-in replacement for RG-8/9913 Air-Dielectric type Cable
  • Jumper Assemblies in Wireless Communications Systems
  • Short Antenna Feeder runs
  • Any application (e.g. WLL, GPS, LMR) requiring an easily routed, low loss RF cable

LMR-400 coaxial cable provides excellent performance for high power HF needs or VHF/UHF applications. Because of its solid center conductor, it is rather stiff. We also carry the more flexible LMR-400 Ultraflex.

LMR® standard is a UV Resistant Polyethylene jacketed cable designed for 20-year service outdoor use. The bending and handling characteristics are significantly better than air-dielectric and corrugated hard-line cables

Flexibility and bendability are hallmarks of the LMR- 400 cable design. The flexible outer conductor enables the tightest bend radius available for any cable of similar size and performance.

Low Loss is another hallmark feature of LMR-400. Size for size LMR has the lowest loss of any flexible cable and comparable loss to semirigid hard-line cables.

RF Shielding is 50 dB greater than typical single shielded coax (40 dB). The multi-ply bonded foil outer conductor is rated conservatively at > 90 dB (i.e. >180 dB between two adjacent cables).

Weatherability: LMR-400 cables designed for outdoor exposure incorporate the best materials for UV resistance and have life expectancy in excess of 20 years.

.108" (2.74mm) solid Cu-clad Al center conductor with micro-cell foam dielectric & type III A polyethylene jacket.
Nominal impedance 50 Ohms;
velocity of propagation 85%;
outer diameter .405" (10.29mm);
100% Al mylar/95% tinned Cu braid.

LMR Coaxial Cable Attenuation Ratings
Nominal attenuation db/100 feet at (MHz)

LMR CABLE30501502204509001500180020002500

Mechanical Specifications
Performance Property Units US (metric))
Bend Radius: installation in. (mm) 1.00 (25.4)
Bend Radius: repeatedin. (mm) 4.0 (101.6)
Bending Momentft-lb (N-m) 0.5 (0.68)
Weight lb/ft (kg/m) 0.068 (0.10)
Tensile Strength lb (kg) 160(72.6))
Flat Plate Crush lb/in. (kg/mm)) 40(0.71)

Electrical Specifications
Performance Property Units US (metric)
Cutoff Frequency GHz 16.2
Velocity of Propagation % 85
Dielectric Constant NA 1.38
Time Delay nS/ft (nS/m)1.20 (3.92)
Impedance ohms 50
Capacitance pF/ft (pF/m) 23.9 (78.4)
Inductance uH/ft (uH/m) 0.060 (0.20)
Shielding Effectiveness dB >90
DC Resistance
Inner Conductor ohms/1000ft (/km) 1.39 (4.6)
Outer Conductor ohms/1000ft (/km) 1.65 (5.4)
Voltage Withstand Volts DC 2500
Jacket Spark Volts RMS 8000
Peak Power kW 16

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This product was added to our catalog on Monday 14 August, 2006.
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