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Product Description
The RG316D Dual-Core Overall Shielded Coaxial Cable is a high-performance radio frequency (RF) transmission cable featuring a dual-core structure and integrated overall shielding. It is designed to facilitate reliable multi-channel signal transmission in environments requiring stable impedance, strong anti-interference capabilities, and resistance to harsh conditions. The cable is suitable for a range of applications including aerospace electronics, defense systems, industrial instrumentation, RF modules, and other high-frequency signal transmission scenarios.
Specification
Technical Specification for RG316D Dual-Core Overall Shielded Coaxial Cable
1. Product Overview
The RG316D Dual-Core Overall Shielded Coaxial Cable is a high-performance radio frequency (RF) transmission cable featuring a dual-core structure and integrated overall shielding. It is designed to facilitate reliable multi-channel signal transmission in environments requiring stable impedance, strong anti-interference capabilities, and resistance to harsh conditions. The cable is suitable for a range of applications including aerospace electronics, defense systems, industrial instrumentation, RF modules, and other high-frequency signal transmission scenarios.
2. Basic Information
Item | Specification |
Model | RG316D |
Brand | hellosignal |
Product Code | 7101227 |
Category | Coaxial Cable |
Characteristic Impedance | 50 ± 3 Ω |
Certifications | UL, ETL, CE, CPR, RoHS |
Available Lengths | 100m, 305m, 500m, 1000m, 500ft, 1000ft |
Packaging Options | Roll, wooden spool, carton, pallet |
Minimum Order Quantity (MOQ) | 10KM |
Delivery Time | Normally 25 working days |
Port of Loading | NINGBO, SHANGHAI |
Payment Terms | T/T, L/C at sight, D/P at sight |
3. Cable Construction
Component | Material / Specification | Diameter |
Inner Conductor | Silver-Plated Copper (SC), 7 × 0.175 mm | — |
Dielectric | PTFE (Natural) | 1.52 ± 0.05 mm |
Shielding 1 | Silver-Plated Copper Braid, 80 × 0.10 mm, ≥95% coverage | 1.95 ± 0.10 mm |
Shielding 2 | Silver-Plated Copper Braid, 80 × 0.10 mm, ≥95% coverage | 2.35 ± 0.10 mm |
Inner Jacket | FEP (Blue / Green) | 2.90 ± 0.10 mm |
Filling | PE (Natural) | 6.40 ± 0.20 mm |
Overall Shield | Tinned Copper Braid, 120 × 0.13 mm, ＞85% coverage | 6.95 ± 0.20 mm |
Wrapping | PTFE Foil | 7.10 ± 0.20 mm |
Outer Sheath | TPU, Sky Blue (RAL5015) | 9.20 ± 0.30 mm |
Marking | ZION / RG316D*2C+FB / RoHS / Meter Marking | — |
4. Electrical Characteristics (20 °C)
Parameter | Specification |
Characteristic Impedance | 50 ± 3 Ω |
Capacitance | 100 ± 5 pF/m |
Velocity of Propagation | 69 ± 1 % |
Insulation Resistance | ＞1000 MΩ·km |
Operating Voltage | 60 V |
VSWR (Voltage Standing Wave Ratio) | ≤ 1.3 |
5. Attenuation Performance
Frequency (GHz) | Attenuation (dB / 100 m) |
0.4 | 54.9 |
1.0 | 93.8 |
1.5 | 121.7 |
2.0 | 145.6 |
3.0 | 174.7 |
5.0 | 258.9 |
6.0 | 289.5 |
6. Physical & Mechanical Characteristics
Item | Specification |
Operating Temperature Range | −40 °C to +180 °C |
Installation Temperature Range | −20 °C to +60 °C |
Minimum Bending Radius (Single) | 46.0 mm |
Minimum Bending Radius (Repeated) | 92.0 mm |
Storage Temperature | Below 30 °C |
Storage Humidity | 20% – 65% RH |
Recommended Storage Period | ≤ 2 months |
Insulation Shrinkage | ≤ 0.5 mm |
Sheath Shrinkage | ≤ 0.6 mm |
7. Standards & Compliance
• Oil Resistance: Complies with IEC 60811-404
• Flame Retardancy: Complies with IEC 60332-1-2
• UV Resistance: Complies with UL 1581-1200
• Environmental Compliance: RoHS II, REACH
8. Key Features
• Dual RG316D coaxial cores enable multi-channel RF transmission within a compact cable structure.
• Silver-plated copper conductors ensure low resistance, excellent skin-effect performance, and high-frequency stability.
• PTFE dielectric and wrapping provide outstanding thermal resistance (up to +180 °C) and low dielectric loss.
• Triple-level shielding design (individual silver-plated copper braid for each core, additional silver-plated copper braid layer, and overall tinned copper braid) offers strong EMI (Electromagnetic Interference) suppression.
• TPU outer sheath delivers oil, UV, and abrasion resistance, enhancing mechanical and environmental durability.
• Maintains stable RF performance with consistent characteristic impedance, low VSWR, and predictable attenuation.
Product Advantage
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1
Dual RG316D coaxial cores enable efficient multi-channel RF signal transmission within a compact structure, optimizing space utilization for complex system setups.
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2
Silver-plated copper conductors ensure low electrical resistance, excellent skin-effect performance, and reliable high-frequency stability, supporting consistent signal integrity.
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3
Triple-level shielding design (dual silver-plated copper braids per core + overall tinned copper braid) provides superior EMI suppression, minimizing interference in harsh electromagnetic environments.
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4
PTFE dielectric and wrapping offer exceptional thermal resistance (up to +180 °C) and low dielectric loss, ensuring stable performance in high-temperature operating conditions.
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5
TPU outer sheath delivers robust durability with resistance to oil, UV radiation, and abrasion, extending the cable’s service life in demanding industrial, aerospace, or defense applications.
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6
Stable RF characteristics—including 50 Ω characteristic impedance, low VSWR (≤1.3), and predictable attenuation—guarantee consistent signal transmission quality across the intended frequency range.
