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CATV closed circuit television systems QR540 with messenger high-frequency signals

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Address: Pingshui Industrial Area, Shaoxing 312050, Zhejiang Province, China

Contact name:Maria

Shaoxing Libo Electric Co., Ltd

CATV closed circuit television systems QR540 with messenger high-frequency signals

Country/Region	china
City & Province	shaoxing zhejiang
Categories	Radio & TV Broadcasting Equipment

Product Details

Aluminum Tube Cable QR540 for CATV Welded Trunk Cable Floodant Compound for Vietnam

Quick Details:
• QR540 JCASP Welded Alumium Trunk Cable
• Welded aluminum tape as outer conductor
• High quality PE outer jacket
• Asphalt or flooding compound is available

Description:

Inner conductor is high quality copper clad aluminum (CCA), dielectric core is produced by insulating grade virgin polyethylene; RF welded aluminum sheet as shield, and medium density PE is used for jacket material. Asphaltic flooding compound is used to prevent damage from moisture.

Applications:
QR540 JCASP 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	0.124	3.15
diameter over dielectric	0.514	13.03
diameter over aluminum shield	0.540	13.72
Outer conductor thickness	0.0135	0.343
Diameter over jacket	0.610	15.49
Jacket wall thickness	0.029	0.74

Mechanical performance:
Minimum bending radius: 4.0 inches/10.2cm
Maximum pulling tension: 220lbs /100kgf

Electrical characteristics:
Capacitance: 15.3±1.0pt/ft.(50±3.0nf/km)
Impedance: 75±2 ohms
Velocity of propagation: 88% nominal
Normal DC loop resistance @68^OF: 1.61 Ohms/100ft(5.28 ohms/km)

Attenuation@ 68^OF(20^oC):

@Frequency MHZ	dB/100ft. (MAX.)	dB/100 meters(MAX.)
5MHZ	0.14	0.46
55MHZ	0.47	1.54
83MHZ	0.58	1.90
211MHZ	0.95	3.12
250MHZ	1.03	3.38
300MHZ	1.13	3.71
350MHZ	1.23	4.03
400MHZ	1.32	4.33
450MHZ	1.40	4.59
500MHZ	1.49	4.89
550MHZ	1.56	5.12
600MHZ	1.64	5.38
750MHZ	1.85	6.07
865MHZ	2.00	6.56
1000MHZ	2.17	7.12

Packing:

Buyer's labels OEM/ODM design service is available.

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 developed the world’s first conforming seamless aluminum tube trunk cable.
Libo cable has a stable workforce and engineering team, the trunk cable is with short lead-time and stable high quality.
Libo cable is equipped with a Provincial-level Research and Development Center.

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