TNC M CLAMP for LMR240 Cable

Description

The TNC (Threaded Neill-Concelman) series is a ruggedized version of the BNC interface, replacing the bayonet mount with a secure threaded coupling to ensure constant electrical contact in high-vibration environments. This male (plug) variant is specifically optimized for the 6.1mm (0.240″) cable class, providing an ideal termination for ultra-low-loss LMR240 cables. It is widely utilized in industrial and outdoor applications where signal integrity is paramount and environmental conditions demand a secure, moisture-resistant connection.

Unlike crimp-style connectors, the clamp termination design utilizes a high-torque compression nut and internal gaskets to secure the cable’s outer conductor. This enables professional, airtight assembly using standard hand tools, making it the superior choice for field repairs, remote tower sites, and custom-length cable assemblies where specialized crimping equipment may not be available. Manufactured with a heavy-duty nickel-plated brass body and premium PTFE (Teflon) insulation, it delivers stable 50-Ohm impedance and low VSWR up to 11 GHz.

Key Technical Advantages

• Field-Serviceable Clamp Design: Enables high-quality, repeatable terminations without the need for specialized crimping tools, facilitating onsite maintenance and rapid equipment deployment.

• LMR240 Precision Calibration: Specifically engineered to fit 0.240-inch OD cables, ensuring an optimized electrical path and high-strength mechanical stability for low-loss cable runs.

• Vibration-Proof Threaded Interface: The 7/16-28 threaded mechanism ensures a secure, locked connection that prevents signal intermittent issues in high-shock or mobile applications.

• Superior Environmental Protection: The integrated compression seal and clamp nut provide an airtight barrier against moisture and dust ingress, essential for outdoor antenna systems and maritime deployments.

• High-Frequency Stability: Precision-machined to maintain consistent electrical performance and low insertion loss up to 11 GHz, supporting modern dual-band Wi-Fi and cellular frequencies.

Key Features

• Interface Type: TNC Male (Plug) with standard 7/16-28 threaded coupling.

• Termination Method: Clamp (Outer Conductor) / Solder (Center Pin).

• Cable Compatibility: Optimized for LMR240 and equivalent low-loss coaxial cables.

• Premium Construction: Features a nickel-plated brass body and high-performance PTFE dielectric.

• Common Application: Wireless base stations, maritime radio systems, tactical field equipment, and industrial cellular networks.

Technical Summary