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Help CenterCATV Trunk Cable For Signal Transmission, QR500 JCA Seamless Aluminum Tube Cable
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Delivery Time:Within 15 days
Certification:CE, ISO9000,ISO14001,RoSH,Certificate of Network access of Broadcast equipment, State Administration
CATV Trunk Cable For Signal Transmission, QR500 JCA Seamless Aluminum Tube Cable
Competitive Advantage:
The trunk cable has excellent electrical performance and outstanding transmission reliabilities. Frequency is from 5MHz to 1000MHz, it provides reliable transmission and anti-interference effectiveness for duplex transmission network. To withstand rigors of environmental elements, jacketed burial cable or jacketed flooded cable is available; asphalt is added between outer conductor and jacket to prevent damages from moisture and flood. Libo cable was established in 1994,it is subsidiary of Libo group which is one of the 500 largest private enterprises in China. Libo cable has a stable workforce and engineering team, the trunk cable is with short lead-time and stable high quality.
Product description:
The inner conductor is high quality copper clad aluminum (CCA), dielectric core is produced by insulating grade virgin polyethylene, welded aluminum sheet as shield. Medium density PE is used as jacket material.
Physical dimensions | ||
component |
inches |
mm |
Inner conductor |
0.109 |
2.77±0.3 |
diameter over dielectric |
0.450 |
11.43 |
diameter over outer conductor |
0.4740 |
12.04 |
Outer conductor thickness |
0.012 |
0.305 |
Diameter over jacket |
0.560 |
14.22 |
Jacket wall thickness |
0.030 |
0.76 |
Mechanical performance:
Minimum bending radius: 6.0 inches/15.2cm
Maximum pulling tension: 300lbs /136kgf
Electrical characteristics:
Capacitance: 15.3±1.0pt/ft.(50±3.0nf/km)
Impedance: 75±2 ohms
Velocity of propagation: 87% nominal
Maximum D.C resistance @68OF:
Structure Return loss: 24dB
Inner conductor: 1.35ohms/1000ft (4.43ohms/km)
Outer conductor: 0.37ohms/1000ft (1.21ohms/km)
Loop: 1.72 ohms/1000ft. (5.64 ohms/km)
Attenuation@ 68OF(20oC):
@Frequency MHZ |
dB/100ft. (MAX.) |
dB/100 meters(MAX.) |
5MHZ |
0.16 |
0.52 |
55MHZ |
0.54 |
1.77 |
83MHZ |
0.66 |
2.17 |
211MHZ |
1.09 |
3.58 |
250MHZ |
1.20 |
3.94 |
300MHZ |
1.31 |
4.30 |
350MHZ |
1.43 |
4.69 |
400MHZ |
1.53 |
5.02 |
450MHZ |
1.63 |
5.35 |
500MHZ |
1.73 |
5.67 |
550MHZ |
1.82 |
5.97 |
600MHZ |
1.91 |
6.27 |
750MHZ |
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