Qr 540 Cable

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

25 来源

The QR 540 cable (Quantum Reach .540 inch) is a specialized 75-ohm hardline coaxial cable designed for high-capacity trunk and distribution in Hybrid Fiber-Coax (HFC) broadband networks. It is characterized by its welded aluminum outer conductor and support for frequencies up to 3000 MHz, making it a critical component for modern Gigabit internet services.

Product Overview & Performance

* Construction: Features a copper-clad aluminum (CCA) center conductor and a welded aluminum outer tube, providing a balance of electrical conductivity and structural durability Americantechsupply Commscope.

* Environmental Variants: Available in JCASS models for underground/buried use (often featuring Migraheal® flooding compound) and JCART models for aerial installations with flame-retardant jackets Americantechsupply Vector.

* Efficiency: Offers a high Nominal Velocity of Propagation (NVP) of 88%, ensuring low-latency signal transmission across long distances Commscope.

Market Trends & Insights

* Gigabit Expansion: The market is trending toward 3 GHz capable cables to support DOCSIS 3.1 and 4.0 standards, allowing cable operators to compete with fiber-to-the-home (FTTH) speeds.

* Infrastructure Sustainability: High-density PE jackets and specialized flooding compounds are increasingly prioritized to extend the service life of buried distribution networks.

* Sourcing Landscape: Pricing for bulk QR 540 cable typically ranges from $0.50 to $1.00 per meter on B2B platforms, with major manufacturing hubs located in Hangzhou and Guangdong, China.

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Sources & References

25 sources cited · Verified industry data & reports

5518702 | QR® 540 JCART R

American Tech Supply

Cable Type 540 Series Construction. Cable Length 1,127.76 m | 3700 ft Diameter Over Center Conductor, Capacitance 50.197 pF/m | 15.3 pF/ft Capacitance. ...

5510192 | QR® 540 JCASS

CommScope

Electrical Specifications ; Jacket Spark Test Voltage, 5000 Vac ; Nominal Velocity of Propagation (NVP), 88 % ; Operating Frequency Band, 5–3000 MHz ; Structural ...

5544502 | QR® 540 JCASS | Vector Katalog

vector.net

Cable Length 1128 m | 3700 ft Shipping Weight 120.00 lb/kft … 1.02 ohms/kft. Minimum Bend Radius, bonded 101.60 mm | 4.00 in Pulling Tension, maximum 100 kg | ...

5560802 | QR® 540 GRIS JCA SM MT

CommScope

Cable Type 540 Series Construction Type Welded. Dimensions Cable Length 1127.76 m | 3700 ft Diameter Over Center Conductor, nominal 3.15 mm. Cable Length 1127. ...

Commscope QR-540JCA Quantum Reach .540 Jacketed

dfcco

QR-540JCA - .540QR (Quantum Reach) Cable, Jacketed. Spec Sheet Commscope Trunk & Distribution Cables: Standard Reel Length, Size, and Weight.

Gilbert 540-QR 2 Piece .540 Quantum Reach Pin Connector

Confluent Technology Group

2-piece pin connector for .540-inch hardline coaxial cable · Quantum Reach design ensures optimal signal transmission and reliability · Precision-machined for ...