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RG214 is a sturdy, durable, and high-performance 50 ohm coaxial cable known for its excellent double-layer silver plated braided shielding that provides ultra-high shielding effectiveness and good power carrying capacity. It is an ideal choice for professional RF applications that require strong interference, high power transmission, or extremely high signal integrity, such as high-power transmission systems, critical communication links, precision testing and measurement, and military applications. Its larger size, weight, and higher cost are the main limiting factors for its application.
| Structure parameters | ||
| Item | Material | Diamenter (mm) |
| Inner Conductor | Silver plated copper wire | 7*0.752 |
| Dielectric | PE | 7.24 |
| Outer Conductor | Silver plated copper wire weaving | 8.4 |
| Jacket | PVC | 10.8 |
| Performance parameters | ||
| Capacitor | 101pF/m | |
| Impedance | 50ohm | |
| Transmission rate | 66% | |
| Maximum operating voltage | 3.7KVrms | |
| Maximum operating frequency | 11000MHz | |
| Working temperature range | -25～+70℃ | |
| Bending radius | 40mm | |
| ROHS/CE/FCC | YES | |
| Frequency | 100MHz | 0.066dB/m |
| 400MHz | 0.141dB/m | |
| 1000MHz | 0.240dB/m | |
Advantages of RG214 coaxial cable: excellent shielding performance (EMI/RFI suppression). Relatively low signal attenuation (especially in the mid to low frequency range). High power processing capability (average and peak). Good mechanical strength and durability. Meets military standards.
Disadvantages: Large size and heavy weight. Relatively poor flexibility, large bending radius, and less convenient installation and wiring compared to thin cables. Higher cost (more expensive than RG58, RG213, etc.). High frequency attenuation (>1 GHz) is relatively greater for semi-rigid or low loss feed tubes (such as 1/2 "or 7/8" feed tubes). When selecting, if the highest shielding efficiency is required, RG214 is superior to RG213; If pursuing lower costs and slightly better high-frequency performance (attenuation), semi-rigid cables or larger air medium feed tubes may be alternative solutions.
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