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Leaky Coaxial Cable

Leaky Coaxial Cable
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Leaky Coaxial Cable

Product catalog summary
Company Overview
ZTT Group, founded in 1992 and listed on the Shanghai Stock Exchange, is a high-tech enterprise with 80 subsidiaries and over 16,000 employees. The company has a diverse industrial portfolio, including marine equipment, renewable energy, and optical communications, exporting to 160 countries with over 2500 patents.
Product Overview
ZTT specializes in radio frequency cables, leaky coaxial cables, and railway digital signal cables, with a manufacturing capacity of 80,000 km of radio frequency cables and 10,000 km of leaky coaxial cables annually.
Leaky Coaxial Cables
These cables are used in environments where conventional antennas are ineffective, such as tunnels and mines. They serve as both antenna and feeder cables, transmitting, launching, and receiving electromagnetic waves. There are two types: radiating mode and coupling mode.
Applications
Leaky coaxial cables are utilized in wireless communication systems in subways and mines, providing coverage in enclosed areas like rail tunnels and underground parking.
Technical Specifications
Various models of leaky coaxial cables are available, each with specific mechanical and electrical characteristics. For instance, the HLRCTSHYZ-50-22 (7/8”) model operates within a frequency range of 800~1000 & 1700~2400MHz, with a tensile force of over 2000 N and a peak power of 91 kW.
Performance and Advantages
The cables are noted for their long electromagnetic radiation distances and strong radiation performance, tested according to IEC 61196-4 standards for coupling loss and attenuation.
Environmental Considerations
ZTT is committed to a green manufacturing model, aiming for carbon neutrality by 2060, and emphasizes cleaner production and low-carbon development.
Specifications
  • Cable Types: 7/8” and 1-1/4” coupling cables.
  • Materials: Copper tube inner conductor, physical foamed polyethylene dielectric, annular corrugated copper tube outer conductor, LSOH polyolefin jacket.
  • Dimensions: 7/8” cable has a diameter of 27.5 mm and weighs 510 kg/km; 1-1/4” cable has a diameter of 38.4 mm and weighs 850 kg/km.
Mechanical Characteristics
  • Tensile Force: >1500 N for 7/8” and >2600 N for 1-1/4”.
  • Bending Radius: Minimum 300 mm for 7/8” and 500 mm for 1-1/4”.
  • Temperature Range: Installation: -25~+60℃, Operation: -40~+85℃, Storage: -70~+85℃.
Electrical Characteristics
  • Operating Frequency: 50~3000 MHz.
  • Impedance: 50±2 Ω.
  • VSWR: 1.3.
  • Insulation Dielectric Strength: 6000 V (DC, 1 min) for 7/8” and 10000 V for 1-1/4”.
  • Peak Power: 91 kW for 7/8” and 200 kW for 1-1/4”.
Performance
  • Attenuation and Coupling Loss: Detailed for frequencies ranging from 150 MHz to 2400 MHz, with specific values for each cable type.
  • Testing Method: Coupling Loss & Attenuation tested by the free-space method according to IEC 61196-4 Standards.
Quality Assurance
  • ZTT employs advanced testing facilities and adheres to ISO9001, ISO14001, and OHSAS18001 standards to ensure quality control.
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Catalog excerpts

Leaky Coaxial Cable-1

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Leaky Coaxial Cable-2

Company Profile ZTT was established in 1992, and now becomes a public high-tech enterprise with 76 subsidiaries, and about 16,000 employees (Code: 600522). We provide products such as radio frequency cables, leaky coaxial cables, railway digital signal cables and accessories for mobile communications, which are widely used in over 20 countries. We have excellent R&D ability and with advanced equipments such as Maillefer and Rosendahl. We have capacity of manufacturing 80,000km radio frequency cables,10,000km leaky coaxial cables , 13,000km railway digital signal cables and accessories per year....

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Leaky Coaxial Cable-3

Type of Leaky Coaxial Cables for Communication Base Station Leaky coaxial cable is mainly used in the long, narrow and enclosed areas that conventional antenna signals can not be effectively covered, for example, track traffic, tunnels, mines, buildings and large edifices, and so on. Leaky coaxial cable integrates the function of antenna and feeder cable. It has three functions, (a) transmit electromagnetic wave, (b) launch electromagnetic wave, (c) receive outside specific electromagnetic wave. There are two kinds of leaky coaxial cable, radiating mode and coupling mode. Wave Propagation Inner...

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Leaky Coaxial Cable-4

Leaky cable application system Wireless communication system in subway Advantages The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band. Best working frequency range: 800~1000 & 1700~2400MHz Combiner and Shunt Coupler Downward direction Grounding kits Jumper Jumper Upward direction Power divider Jumper Jumper 1-5/8" Leaky cable 7/8" Feeder Jumper Power divider Indoor antenna Power...

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Leaky Coaxial Cable-5

The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band. Best working frequency range: 150~500 & 600~1000MHz The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band....

 Open the catalog to page 5
Leaky Coaxial Cable-6

The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band. Best working frequency range: 300~600 & 670~950MHz The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band....

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Leaky Coaxial Cable-7

The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band. Best working frequency range: 300~900 MHz The product characterized long electromagnetic radiation distance and is suitable for the coverage of enclosed areas, such as rail tunnels, high speed railway tunnels, underground parking and so on. It has strong radiation performance and uniform fluctuation in narrow band. Best working...

 Open the catalog to page 7
Leaky Coaxial Cable-8

The product is applicable for the coverage of density in long, narrow and enclosed areas, such as mines, buildings and elevators etc. It has little fluctuation of electromagnetic density and uniform coverage in broadband. Best working frequency range: 50~3000 MHz The product is applicable for the coverage of density in long, narrow and enclosed areas, such as mines, buildings and elevators etc. It has little fluctuation of electromagnetic density and uniform coverage in broadband. Best working frequency range: 50~3000 MHz Cable type Coupling Size 7/8″ Inner conductor material / OD Copper tube...

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Leaky Coaxial Cable-9

The product is applicable for the coverage of density in long, narrow and enclosed areas, such as mines, buildings and elevators etc. It has little fluctuation of electromagnetic density and uniform coverage in broadband. Best working frequency range: 50~3000 MHz The product is applicable for the coverage of density in long, narrow and enclosed areas, such as mines, buildings and elevators etc. It has little fluctuation of electromagnetic density and uniform coverage in broadband. Best working frequency range: 50~3000 MHz Cable type Coupling Size 1-1/4″ Inner conductor material / OD Copper tube...

 Open the catalog to page 9

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.