EZ-400-TM-RA-X TNC Male Right Angle Crimp Connector for LMR-400 coaxial cable
EZ-400-TM-RA-X Connector is a high-performance, Right-Angle (90°) TNC Male (plug) connector specifically engineered for terminating LMR-400 and similar flexible low-loss coaxial cable. This specialized connector is essential for installations in tight spaces or crowded equipment panels, allowing the cable to exit immediately with minimal stress. It combines the low-loss superiority of LMR-400 coaxial cable with the speed and reliability of the solderless EZ-Fit™ installation method.
Key Features & Advantages
- Right-Angle (RA) Design: The 90-degree body allows the thicker LMR-400 coaxial cable to exit the connection point immediately, minimizing cable bending stress and reducing the required footprint, critical for crowded racks and compact systems.
- LMR-400 Optimized: Precisely matched to the electrical and physical requirements of LMR-400 coaxial cable, ensuring superior low insertion loss and excellent VSWR performance across the operating range.
- 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 (often under 60 seconds) 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 connectors (BNC) in demanding environments up to 6 GHz.
- Rugged Construction: Built with durable machined brass and Alballoy (White Bronze) plating for excellent corrosion resistance and longevity.
EZ-400-TM-RA-X Detailed Technical Specifications
| Attribute | Detail |
| Connector Style | TNC |
| Gender | Male (Plug) |
| Interface | Right-Angle (90°), 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 right-angle, low-loss capabilities of the EZ-400-TM-RA-X are invaluable for:
- Antenna Systems: Connecting LMR-400 antenna feeders to transmitters/receivers where space is restricted behind equipment.
- Rack-Mounted Equipment: Used for clean cable management and strain relief when connecting to panels inside enclosures.
- Telemetry Systems: Ideal for installations in vehicles or compact chassis where space is limited and vibration is a concern.
- Wireless Infrastructure: Providing low-profile, high-performance connections for base stations and routers.
Installation & Recommended Tooling
The EZ-Fit assembly requires precision tools specifically sized for the LMR-400 coaxial cable
- Crimping Tool: The recommended hex die size (check the datasheet, typically .429″ HEX or Times Microwave 3190-667/CT-400 tool) is mandatory for securing the ferrule.
- Cable Prep Tool: A dedicated LMR-400 strip tool (e.g., CST-400 or 3192-159) is essential for achieving the exact strip dimensions required by the solderless contact.


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