LMR 400
LMR 400
Construction Specifications
Description
Material
(mm)
 
Inner Conductor
CCA
   2.74
 
Dielectric
Foam PE
7.24
 
Outer Conductor
Aluminum Tape
7.39
 
Overall Braid
Tinned Copper
8.13
 
Jacket
PVC
10.29
 
Electrical Specifications
Performance Property
Units
(metric)
 
Cutoff Frequency
GHz
16.2
 
Velocity of Propagation
85
 
Dielectric Constant 
NA 
1.38
 
Time Delay 
(nS/m) 
3.92
 
Impedance 
ohms 
50
 
Capacitance 
(pF/m) 
80
 
Inductance 
(uH/m) 
0.2
 
Shielding (%)
90+/-3
 
DC Resistance 
Inner Conductor 
ohms/km
4.6
 
Outer Conductor
ohms/km
5.4
 
Voltage Withstand
Volts DC
2000
 
Jacket Spark
Volts RMS
8000
 
Peak Power
kW
16
 
 
Frequency (MHz)
  50
150
220
450
900
1500
1800
2000
2500
Attenuation dB/100 m
3.4
5.5
6.6
8.4
13.4
17.4
19.1
20.1
22.7