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

Ground Plane Antennas
 
LDF 2-50 Cables  
line
LDF 2-50 cable
line
 
Frequency
MHz
Attenuation
dB /100 ft
Attenuation
dB/100 m
Average Power, kW  
         
0.5 0.072 0.235 15.6
1 0.101 0.332 15.6
1.5 0.124 0.407 15.6
2 0.143 0.471 15.6
10 0.323 1.06 7.23
20 0.458 1.50 5.09
30 0.563 1.85 4.14
50 0.730 2.40 3.19
88 0.976 3.20 2.39
100 1.04 3.42 2.24
108 1.08 3.56 2.15
150 1.29 4.22 1.81
174 1.39 4.56 1.68
200 1.49 4.90 1.56
300 1.85 6.06 1.26
400 2.15 7.06 1.08
450 2.29 7.51 1.02
500 2.42 7.95 0.963
512 2.45 8.05 0.951
600 2.67 8.76 0.874
700 2.90 9.52 0.804
800 3.12 10.2 0.748
824 3.17 10.4 0.736
894 3.31 10.9 0.704
960 3.44 11.3 0.678
1000 3.52 11.6 0.663
1250 3.98 13.1 0.586
1500 4.40 14.4 0.530
1700 4.72 15.5 0.494
1800 4.87 16.0 0.479
2000 5.17 17.0 0.451
2100 5.32 17.4 0.439
2200 5.46 17.9 0.428
2300 5.60 18.4 0.417
3000 6.52 21.4 0.358
3400 7.00 23.0 0.333
4000 7.70 25.3 0.303
5000 8.78 28.8 0.266
6000 9.79 32.1 0.239
8000 11.7 38.2 0.200
10000 13.4 43.9 0.175
12000 15.0 49.2 0.156
13500 16.2 53.0 0.145
       
 
Description
 
Cable Ordering Information
Standard Cable
3/8" Standard Cable, Standard JACKET
fire Retardant Cables
3/8" Fire Retardant Jacket(CATVX)
3/8" Fire Retardant Jacket(CATVR)
Low VSWR and Specialized cables
3/8" LowVSWR, specify operating band
phase Stabilized and Phase Meassured cable Jumper Cable Assemblies
LDF2-50

LDF2RN-50
LDF2RN-50

LDF2P-50-_(**)

Characteristics
Electrical
Impedance, ohms
Maximum Frequency, GHz
Velocity,
percent Peak Power Rating, Kw
Dc Resistance, ohms/1000ft(1000m)
Inner
Outer
Dc Breakdown, volts
Jacket Spark, volts
Capacitance, Pf/ ft(m)
Inductance, Ph/ ft(m)

50 +- 1
13.5
88
15.6

1.06(3.48)
0.87(2.85)
2500
5000
23.0(75.5)
0.058(0.19)

 
Mechanical
 
Outer conductor
Inner Conductor
Diameter over Jacket, in (mm)
Diameter over Copper outer Conductor, in(mm) Diameter Inner Conductor, in (mm)
Minimum Bending Radius, in(mm)
Number of Bends, minimum (typical)
Bending Moment, lb-ft (N.m)
Cable Weight, lb/ft(kg/m)
Tesile strength, lb(kg)
Flat Plate Crush Strength, lb/in(kg/mm)
Copper
Copper- Clad Aluminium 0.44(11)
0.38(9.7)
0.122(3.1)
3.75(95)
15(60)
1.4(1.9)
0.08(0.12)
250(113)
110(2.0)
 
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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:
     
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