KingTone Cables

QR540 and QR540M

Application

Construction


  Material

Diameter(mm)  QR540

QR540M

Inner Conductor

CCA

3.15

3.15

Dielectric

Foam PE

 13.05

13.05

First Shield

Solid ALtube

13.72  

13.72

Jacket

PE

14.22

15.49

Messenger

Galvanized Steel

/

2.77



Electrical Characteristics


Impedance (Ω)  75±3
Capacitance (pF/m)

 52±2

Velocity of Propagation()   87.0
Return Loss  
-1000MHz(dB) ≥22


Attenuation(@20°C)


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

5

0.46

55

1.54

83

1.90

211

3.12

250

3.38

300

3.71

350

4.04

400

4.33

500

4.89

600

5.38

750

6.07

865

6.56

1000

7.12



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