Fcom Technology A Unit of Frontier Trading Company  
  Heliax Cables
LMR Series Cables
 
   
Connecting People, Through Technology


Ground Plane Antennas
 
LMR 400  
line
LMR 400
line
 
Frequency
MHz
Attenuation
dB /100 ft
Attenuation
dB/100 m
Average Power, kW  
         
30 MHz 0.7 2.2 3.3
50 MHz 0.9 2.9 2.6
150 MHz 1.5 5.0 1.5
220 MHz 1.9 6.1 1.2
450 MHz 2.7 8.9 0.83
900 MHz 3.9 12.8 0.58
1500 MHz 5.1 16.8 0.44
1800 MHz 5.7 18.6 0.40
2000 MHz 6.0 19.6 0.37
2500 MHz 6.8 22.2 0.33
5800 MHz 10.8 35.5 0.21
 

 
Mechanical Specifications
 
Minimum Bend Radius 1.0 in 25.4 mm
Bending Moment 0.5 ft-lb 0.68 N-m
Weight 0.068 lb/ft 0.10 kG/m
Tensile Strength 160 lb 72.6kG
Flat Plate Crush 40 lb/in 0.71 kG/mm
 
Construction Specifications
Part Designation Material Inches mm
       
Inner Conductor Solid BCCAI 0.108 2.74
Dielectric Foam Polythylene 0.285 7.24
Outer Conductor Aluminum Tape 0.291 7.39
Overall Braid Tinned Copper 0.320 8.13
Standard Jacket Black Polyethylene 0.405 10.29
 
Electrical Specifications
 
Cutoff Frequencey 16.2 GHz
Velocity of Propagation 85%
Voltage Withstand 2500VDC
Peak Power 16 kW
DC Resistance  
Inner Conductor,ohms 1.39/1000' 4.56/km
Outer Conductor,ohms 1.65/1000' 5.41/km
Jacket Spark 8000VRMS
Impedance 50ohms
Capacitance 23.9pF/ft 78.40pF/m
Inductance 0.060uH/ft 0.20uH/m
Shielding Effectiveness >90dB  
Phase Stability <10ppm/C  
* Consult factory for applications over 6GHz
 
    TOP

Standard conditions: For attenuation. VSWR 1.0, ambient temperature 20’C (68’F) For Average power. VSWR 1.0 ambient temperature 40’C (104’F) Inner conductor temperature 100’C(212’F), no solar loading
     
Cables : RF Coaxial & Microwaves Cables : Heliax Cable : LDF 1-50 Cable: LDF 2-50 Cable : LDF 4-50 Cable:
LDF 4-5.50 Cable: LDF 5-50A Cable: VXL 5-50A Cable : FSJ Series Cables: FSJ 1-50A Cable: FSJ 2-50A Cable: FSJ 4-50B Cable:
LMR Series Cables LMR - 100A Cable: LMR - 195 Cable: LMR 200 Cable: LMR 240 Cable:
LMR 240-75 Cable : LMR 400A Cable: LMR 400-75 Cable: LMR 500 Cable: LMR 600 Cable: LMR 900 Cable: LMR 1200 Cable:
LMR 1700 Cable
     


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