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QR540 Aluminum Tube Cable

QR540 general-purpose aluminum tube cable, mainstream market specification.

Impedance75 ± 2 Ω
Outer diameter15.5 mm
QR540 75Ω 75Ω QR Series Aluminum Tube Coaxial Cable

Custom lengths, connectors and pre-assembled jumpers are available. Send us your specification for a quotation.

Technical data

Technical parameters

Source: 2026 Technical Selection Manual

Structure

Dielectricfoam PE 13.03 mm

Electrical

Characteristic impedance75 ± 2 Ω
Nominal capacitance50 ± 3 pF/m

Mechanical & environment

Operating temperaturePE −40 ~ +85 °C;PVC −25 ~ +70 °C
StandardsGY/T 135, SJ/T 11138

Attenuation & power

02468150900

Attenuation in dB/100 m at 20 °C, nominal values (±5%).

MHzdB/100mMHzdB/100m
551.544004.63
2113.125505.18
2503.387506.1
3504.0410007.12

Product description

Unveil the QR540 75-Ohm Aluminum Tube Cable, a sophisticated choice for high-definition signal transmission that stands at the forefront of cable technology. This cable is meticulously designed to meet the stringent demands of high-frequency applications, providing a seamless and reliable connection.

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