Quick, Reliable RF: The EZ-400-UM LMR-400 Connector
The Times Microwave EZ-400-UM is the ultimate solution for fast, error-free field terminations of LMR-400 and compatible 400-series low-loss coaxial cables (including LMR-400-DB, LMR-400-FR). This high-performance UHF Male (PL-259) connector is engineered for installers and radio enthusiasts who demand speed, reliability, and superior signal integrity without the need for soldering.
As an “EZ-Style” connector, it features an innovative design that drastically reduces installation time and minimizes assembly errors, making it the preferred choice for Ham Radio, CB, Land Mobile Radio (LMR), and general HF/VHF/UHF applications.
Key Features & Benefits:
- Solderless Center Pin: Utilizes a patented spring-finger inner contact that securely locks onto the center conductor, eliminating the need for soldering and ensuring a low-resistance electrical connection.
- EZ-Style Installation: Features a no-braid trim design, eliminating a time-consuming step, reducing debris (FOD), and guaranteeing optimal cable geometry for consistent broadband VSWR performance.
- High-Frequency Performance: Rated for operation up to 3 GHz with excellent VSWR, significantly outperforming traditional UHF connectors.
- Durable Crimp Outer Contact: Provides a robust, secure mechanical and electrical shield termination using a standard crimp tool (required).
- Rugged Construction: Features a Nickel-plated brass body and Gold-plated center pin for maximum conductivity and corrosion resistance in various environments.
Technical Specifications at a Glance:
| Specification | Detail | |
| Part Number | EZ-400-UM / EZ-400-UM-X | |
| Connector Type | UHF Male (PL-259) | |
| Cable Compatibility | LMR-400® | |
| Max Frequency | 3 GHz | |
| Inner Contact | Solderless / Spring Finger | |
| Outer Contact | Crimp (requires .429″ hex die) | |
| Impedance | 50 Ohm |








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