100 feet of LMR-240, RG-8X type low loss coax cable. Braided cable 0.240" diameter. No connectors installed. 

  • 0.24" diameter
  • Solid bare copper center conductor
  • High velocity gas-injected foam dielectric 84%
  • 100% shield coverage - 95% tinned copped braid plus bonded aluminum tape

Model BR-240 by Tram-Browning, Inc.

Electrical Specifications:

  • Maximum frequency 16.2 GHz
  • Velocity of propagation 84%
  • DC breakdown 1500 V
  • Peak power rating 5.6 kW
  • DC resistance inner conductor, ohms, 3.2/1000'
  • DC resistance outer conductor, ohms, 3.89/1000'
  • Jacket spark-volts RMS 5000
  • Impedance 50 Ohms
  • Capacitance 25.12 pF/ft.
  • Inductance 0.061 uH/ft. 82.00 pF/m
  • Shielding effectiveness >90 dB
  • Phase stability >10 ppm/C

Attenuation and Average Power Rating

Frequency Attenuation Avg.Power
 30 MHz 1.3dBd/100ft   1.49kW
 50 MHz 1.7dBd/100ft  1.15kW
150 MHz 3.0dBd/100ft   0.66kW
220 MHz 3.7dBd/100ft   0.54kW
450 MHz 5.3dBd/100ft   0.38kW
900 MHz 7.6dBd/100ft   0.26kW
1500MHz   9.9dBd/100ft  0.20kW
1800MHz 10.9dBd/100ft  0.18kW
2000MHz 11.5dBd/100ft  0.17kW
2500MHz 12.9dBd/100ft   0.15kW


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