RG400 Coaxial Cable

TOT Wire & Cable offers high-quality RG400 coaxial cable, a versatile 50-ohm RF cable known for its flexibility, high-frequency stability, and resistance to heat and chemicals. Widely used in military-grade, aerospace, and RF communication systems, RG400 is ideal for demanding environments requiring low loss and excellent shielding.

  • Rg400 Coaxial Cable

RG400 Coaxial Cable


High-Flexibility 50 Ohm RF Cable for Military, Aviation & RF Systems

  • Model RG400 Coaxial Cable
  • Impedance 50 Ohms
  • Conductor Silver-plated copper wire (SPCW)
  • Shielding Dual silver-plated copper braids (≥ 95% coverage)
  • Insulation Solid PTFE (Polytetrafluoroethylene)
  • Jacket FEP (Fluorinated Ethylene Propylene)
  • Outer Diameter ~4.95 mm (0.195 in)
  • Rated Voltage 1,900V RMS
  • Operating Temperature -55°C to +200°C
  • Color Options Tan or brown (standard)
  • Certifications MIL-C-17F RG400/U


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TOT Wire & Cable offers high-quality RG400 coaxial cable, a versatile 50-ohm RF cable known for its flexibility, high-frequency stability, and resistance to heat and chemicals. Widely used in military-grade, aerospace, and RF communication systems, RG400 is ideal for demanding environments requiring low loss and excellent shielding.

Key Features of RG400 Cable

  • Exceptional Flexibility
    FEP jacket and fine-strand inner conductor make RG400 ideal for tight spaces and repeated motion.

  • Low Signal Loss at High Frequencies
    Maintains performance up to 11 GHz — suitable for test equipment and RF transmission lines.

  • High Shielding Efficiency
    Dual silver-plated braid shields ensure strong protection against EMI and RF interference.

  • High-Temperature & Chemical Resistance
    Built to perform in extreme environments with wide operating temperature range.

  • MIL-Spec Quality
    Manufactured to MIL-C-17 standards, trusted for military, avionics, and aerospace use.


📦 Applications of RG400 Cable

  • Aerospace and aviation communication systems

  • Military radio and data transmission

  • RF and microwave testing setups

  • Antenna feeders and GPS connections

  • EMI-sensitive instrumentation wiring

  • Industrial-grade wireless infrastructure


🌍 RG400 Cable Exporter from China – Bulk Supply & Custom Assemblies

TOT Wire & Cable is a leading coaxial cable manufacturer in China, providing:

  • Bulk RG400/U cable with consistent quality

  • Custom cable assemblies with SMA, TNC, BNC, or N-Type connectors

  • Fast worldwide delivery and OEM branding services

  • Competitive factory pricing and low MOQs

We serve clients in telecom, aviation, defense, and RF system integration across the globe.


📞 Request a Quote or Sample of RG400 Cable Today

Looking for RG400 cable price per meter, bulk rolls, or pre-terminated RF patch cords? Contact TOT Wire & Cable now.

📧 Email: inquiry@totcables.com
🚚 Global delivery | Quick reply | OEM available

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