Coaxial cable Rangeful HF240 50 Ω, TNC male to SMA male, 3 m

Rangeful HF240 50 Ω coaxial cable is a 3 m interconnect designed for RF and antenna applications. It features a TNC male connector on one end and an SMA male connector on the other, providing a direct connection between equipment with TNC and SMA ports. The cable maintains a 50 ohm characteristic impedance for consistent signal transfer in test setups, radio equipment and wireless installations.

Advantages

The cable offers a consistent 50 Ω impedance along its length to minimize reflections and preserve RF signal integrity. Precision‑terminated TNC male and SMA male connectors ensure a secure mechanical and electrical connection. With a 3 m length, the cable provides moderate reach for bench testing, lab setups or equipment placement without excessive signal loss typical of longer runs. The construction balances flexibility and shielding to support routine routing while reducing susceptibility to external interference.

Suitable for

• Connecting radio transceivers to external antennas or filters
• Laboratory and testbench RF measurement setups
• Wireless equipment installations requiring TNC-to-SMA mating
• Field diagnostics and temporary interconnects for 50 Ω systems

Key specifications

• Characteristic impedance: 50 ohm
• Length: 3 meters
• Connector A: TNC male
• Connector B: SMA male
• Cable type: RF coaxial, designed for 50 Ω systems

How to use

Connect the TNC male connector to the device with a TNC female port and the SMA male connector to the device with an SMA female port, ensuring that connectors are aligned and engaged without cross‑threading. For testbench applications, route the cable to avoid sharp bends and kinks; maintain gentle curves to preserve impedance characteristics. When used in measurement setups, keep the cable length consistent with calibration references to reduce measurement error.

Usage recommendations

Inspect connector threads and interfaces before installation; clean contacts if necessary to avoid increased insertion loss. Avoid tight bending radii and excessive mechanical stress near connector transitions. For critical RF applications, verify system VSWR after installation and use appropriate adapters only when matched to 50 Ω systems.