QR500

QR500

It is widely used in cable TV, digital TV, CCTV, video transmission, security system and satellite TV. Trunk cable, branch distribution cable.

QR500 Details

Item Material Diameter (Inch/mm)
1 : Inner Conductor copper 2.77±0.05
2 : Dielectric Foam PE   11.43±0.1
3 : Second Shield Welding aluminum tube   12.71 ±0.05
4 : Jacket PE   14.22±0.5
Impedance(Ω)   75 ±2  
Capacitance (pF/m)   50  
Velocity of Propagayion 87%  
Installation Temp (℃)   -20-+60  
Operating Temp (℃)   -25-+70  
Screening Effectiveness (dB)   >100  
Frequency (MHz) Max Attenuation(dB/100m)
5   0.52
55   1.77
211   3.58
400   5.02
550   5.97
750   7.09
870   7.68
1000   8.27

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