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LMR 240 line
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LMR 240 line
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Frequency
MHz
Attenuation
dB /100 ft
Attenuation
dB/100 m
Average Power, kW  
         
30 MHz 1.8 5.8 1.02
50 MHz 2.3 7.5 0.79
150 MHz 4.0 13.1 0.45
220 MHz 4.8 15.9 0.37
450 MHz 7.0 22.8 0.26
900 MHz 9.9 32.6 0.18
1500 MHz 12.9 42.4 0.14
1800 MHz 14.2 46.6 0.13
2000 MHz 15.0 49.3 0.12
2500 MHz 16.9 55.4 0.10
5800 MHz 26.4 86.5 0.07
 
 
 
Mechanical Specifications
 
Minimum Bend Radius 0.75 in 19.1 mm
Bending Moment 0.25 ft-lb 0.34 N-m
Weight 0.034 lb/ft 0.05 kG/m
Tensile Strength 80 lb 36.3kG
Flat Plate Crush 20 lb/in 0.36 kG/mm
 
Construction Specifications
Part Designation Material Inches mm
       
Inner Conductor Solid BC 0.056 1.42
Dielectric Foam Polythylene 0.150 3.81
Outer Conductor Aluminum Tape 0.155 3.94
Overall Braid Tinned Copper 0.178 4.52
Standard Jacket Black Polyethylene 0.240 6.10
 
Electrical Specifications
 
Cutoff Frequencey 31 GHz
Velocity of Propagation 84%
Voltage Withstand 1500VDC
Peak Power 5.6 kW
DC Resistance  
Inner Conductor,ohms 3.2/1000' 10.50/km
Outer Conductor,ohms 3.89/1000' 12.76/km
Jacket Spark 5000VRMS
Impedance 50ohms
Capacitance 24.2pF/ft 79.40pF/m
Inductance 0.060uH/ft 0.20uH/m
Shielding Effectiveness >90dB  
Phase Stability <10ppm/C  
* Consult factory for applications over 6GHz
 
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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:
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Keywords Heliax Cable, LDF Cable, Collinear Antenna , Yagi Antenna , Seling Antenna , XLR Connectors , RF Coaxial Connectors Links | Design Credits : adesigncafe.com