EZ-400-TM-X TNC Male Straight EZ Connector for LMR-400 Coaxial Cable
EZ-400-TM-X Connector is a high-performance TNC Male (plug) connector specifically engineered for rapid, reliable termination of LMR-400 and similar flexible low-loss coaxial cable. As a premium component of the revolutionary EZ-Fit series, this connector combines the rugged, threaded TNC interface with the superior signal handling of LMR-400 coaxial cable and the convenience of solderless installation. It’s the ideal choice for creating durable, low-loss cable assemblies for systems operating up to 6 GHz.
Key Features & Advantages
- LMR-400 Optimized: Precisely matched to the larger diameter and electrical requirements of LMR-400 coaxial cable, ensuring extremely low signal loss and superior performance over long cable runs.
- EZ-Fit Solderless Technology: Features a cutting-edge spring-finger inner contact that eliminates the need for soldering the center pin, significantly reducing installation time and guaranteeing consistent, high-quality connections in the field.
- TNC Threaded Interface: Provides a secure, vibration-resistant threaded coupling, offering reliable performance superior to bayonet (BNC) connectors in demanding environments.
- High Performance: Engineered for reliable operation up to 6 GHz with excellent VSWR, ensuring signal integrity in broadband applications.
- No Braid Trim Design: The connector’s design simplifies cable preparation by eliminating the braid trim step, ensuring a consistent, optimal termination geometry.
Detailed Technical Specifications
| Attribute | Detail |
| Connector Style | TNC |
| Gender | Male (Plug) |
| Interface | Straight, Threaded Coupling |
| Impedance | 50 Ohms |
| Max Frequency | 6 GHz |
| Compatible Cable Group | LMR-400 (and equivalents) |
| Inner Contact Attachment | Spring Finger (Solderless, Push On) |
| Outer Contact Attachment | Crimp |
| Body Material/Finish | Brass / Alballoy (White Bronze) |
| Center Contact Plating | Gold |
| VSWR (DC-6 GHz) | < 1.30:1 |
Typical Applications
The combination of the robust TNC interface and high-performance LMR-400 coaxial cable is widely used in:
- Wireless Networking: Used in commercial Wi-Fi systems, base stations, and long-run antenna connections where signal loss must be minimized.
- Coaxial Jumper Assemblies: Creating durable, high-performance TNC Male jumpers utilizing the low-loss LMR-400 cable.
- Industrial Monitoring: Providing robust, threaded connections in SCADA and telemetry systems over extended distances.
- Test & Measurement: Creating reliable, low-loss test leads for lab and field use.
Installation & Recommended Tooling
The quick EZ-Fit assembly requires precision tools specifically sized for the LMR-400 coaxial cable
- Crimping Tool: The recommended Times Microwave 3190-667/CT-400 tool is mandatory for securing the ferrule.
- Cable Prep Tool: A dedicated CST-400 is essential for achieving the exact strip dimensions required by the solderless contact.


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