Shaoxing Libo Electric Co., Ltd
Zhejiang Libo Industrial Co.,Ltd. Leading trunk cable manufacturer in China. Expert for leaky feeder cable.
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Anti-Interference QR412 without Messenger Trunk Cable RF Trunk Coaxial Cable For TV Station Broadband
Quick Details:
• QR412 JCA Welded Alumium Trunk Cable
• Welded aluminum tape as outer conductor
• High quality PE outer jacket
• Asphalt or flooding compound is available
Description & Specifications:
Product description:
Inner conductor is high quality copper clad aluminum (CCA).Dielectric core is made of insulating grade virgin polyethylene; welded aluminum sheet as shield, and medium density PE is used for jacket material.
Applications:
QR412 JCA trunk cable’s outer conductor is high quality electric aluminum sheet, this trunk cable is used as main cable and distribution cable for CATV network, such as base station and equipment cabinets. It is applicable in transmission of single and duplex analog signals and as well as duplex digital signals. The trunk cable is also widely used in HFC duplex transmission network.
|
Physical dimensions |
||
|
component |
inches |
mm |
|
Inner conductor |
0.089 |
2.26 |
|
Diameter over dielectric |
0.362 |
9.19 |
|
Diameter over outer conductor |
0.3858 |
9.80 |
|
Outer conductor thickness |
0.024 |
0.305 |
|
Diameter over jacket |
0.475 |
12.07 |
Mechanical performance:
Minimum bending radius: 6.0 inches/15.2cm
Maximum pulling tension: 150lbs /68kgf
Electrical characteristics:
Capacitance: 15.3±1.0pt/ft.(55±3.0nf/km)
Impedance: 75±2 ohms
Velocity of propagation: 87% nominal
Nominal DC loop resistance@68OF: 2.57 ohms/1000ft (8.43 ohms/km)
Attenuation@ 68OF(20oC):
|
@Frequency MHZ |
dB/100ft. (MAX.) |
dB/100 meters(MAX.) |
|
5MHZ |
0.20 |
0.65 |
|
55MHZ |
0.69 |
2.26 |
|
83MHZ |
0.86 |
2.82 |
|
211MHZ |
1.41 |
4.62 |
|
250MHZ |
1.54 |
5.05 |
|
300MHZ |
1.70 |
5.57 |
|
350MHZ |
1.87 |
6.13 |
|
400MHZ |
1.97 |
6.46 |
|
450MHZ |
2.11 |
6.92 |
|
500MHZ |
2.24 |
7.34 |
|
550MHZ |
2.35 |
7.71 |
|
600MHZ |
2.47 |
8.10 |
|
750MHZ |
2.78 |
9.12 |
|
865MHZ |
3.01 |
9.87 |
Packing:
Buyer's labels OEM/ODM design service is available.
Competitive Advantage: