QR412

QR412

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

QR412 Details

Construction

Item Material Diameter(Inch/mm)
Inner Conductor CCA-Copper Clad Aluminujm 0.089 2.26
Dietectric Foam PE 0.362 9.19
Shield Solid Aluminum tube(thickness) 0.024 0.61
Jacket PE 0.475 12.07

 

Electrical Characteristics

Capacitance(pF/m) 52+/-2
Impedance(Ω) 75+/-3
Velocity of Propagation(%) 85.0
Return Loss(dB) ≥22
Screening Effectiveness(dB) ≥100

 

Attenuation(@20℃)

Frequency(MHz) Max Attenuation(dB/100ft) Max Attenuation(dB/100m)
5 0.20 0.66
55 0.69 2.26
83 0.86 2.82
211 1.41 4.63
250 1.54 5.05
300 1.70 5.58
350 1.87 6.14
400 1.97 6.46
500 2.24 7.35
600 2.47 8.10
750 2.78 9.12
865 3.00 9.84
1000 3.27 10.73

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