KingTone Cables

LMR 400

Application

Construction


  Material

 Diameter(mm)

Inner Conductor BC 2.74
Dielectric Foam PE 7.24
First Shield  AL Foil  
Second Shield TC Braid 8.13
Jacket PE  10.29


Electrical Characteristics


Impedance (Ω)  

50±3

Capacitance (pF/m) 78.4
Velocity of Propagation()  85.0
Return Loss ≥20
Screening Effectiveness (dB) ≥90

DC Resistance (Ω/KM)

 
Inner Conductor

 4.6

Outer Conductor

 5.4

Voltage Withstand (Volts DC) 2500.0

Installation Temp. ()

40to 85
Operating Temp . ()  40to 85


Attenuation(@20°C)


Frequency (MHZ) Max Attenuation (dB/100ft)  Max Attenuation (dB/100m)

30

0.7

2.2

50

0.9

2.9

150

1.5

5.0

220

1.9

6.1

450

2.7

8.9

900

3.9

12.8

1500

5.1

16.8

1800

5.7

18.6

2000

6.0

19.6

2500

6.8

22.2

5800

10.8

35.5



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