Sold under the name RG‑214S on our site, this cable is more widely recognized as the MIL‑spec standard RG‑214/U. With a silver-plated stranded copper center conductor, solid polyethylene dielectric, and dual silver-plated copper braid shields, it meets MIL‑C‑17 criteria (M17/75‑RG‑214) for high RF performance and durability.
Key Specifications
✅ 50 Ω ±3 Ω characteristic impedance
✅ Silver‑plated copper center conductor (7 × 0.75 mm, ~0.089″)
✅ Black PVC jacket per MIL‑C‑17, overall diameter ~0.425″ (10.8 mm)
✅ Capacitance ~31 pF/ft (≈101 pF/m)
✅ Velocity of propagation ~66%
✅ Attenuation ~4.9 dB/100 ft at 500 MHz
✅ Operating temperature: –25 °C to +85 °C (install ≥ –20 °C)
✅ Voltage rating: ~30 V RMS
RG‑214S (i.e. RG‑214/U) is built to MIL‑C‑17 standards, offering excellent shielding effectiveness (approx. 40–60 dB), low passive intermodulation (PIM), and long-term stability. Ideal for demanding RF, laboratory, or military applications where certified performance and consistency are critical.