TNC-Type RF Coaxial Connectors — Rugged Reliability for Modern RF Networks

Built to Last, Designed to Connect

In every communication tower, radar module, or field-deployed antenna system, the reliability of the RF connection determines whether the signal makes it through.
The TNC-type RF coaxial connector was born from that need — a design that could withstand vibration, weather, and time, while keeping signal integrity uncompromised.

Originally developed as a threaded version of the BNC, the TNC connector brought a new level of mechanical strength and electrical stability to the world of RF interconnects.
Today, it remains a trusted choice in wireless communication, defense systems, and industrial electronics, thanks to its rugged build and consistent 50 Ω impedance.

Where Durability Meets Frequency Performance

The TNC RF connector supports frequencies up to 11 GHz, with some precision variants reaching 18 GHz.
Its threaded coupling interface prevents accidental disconnection, ensuring a secure link even in high-vibration environments such as aircraft communication systems and mobile radar units.

Unlike push-on connectors, the TNC’s mechanical locking system maintains constant pressure between the inner and outer conductors, resulting in low VSWR and stable insertion loss across a wide frequency band.

It’s not only strong — it’s precise.
Engineers value TNC connectors for their reliable signal transmission and weather-resistant construction, making them ideal for outdoor base stations, antenna arrays, and microwave test equipment.

Waterproof by Nature, Trusted in the Field

When it comes to environmental endurance, the TNC-type connector stands out.
Its design includes gasket sealing, corrosion-resistant plating, and tight mechanical tolerances that ensure performance under rain, humidity, or dust exposure.

In 5G antennas, naval communication modules, and defense RF systems, waterproof TNC connectors help maintain network reliability in all weather conditions.
Their stainless steel or nickel-plated brass construction delivers long-term protection against oxidation and mechanical wear, while PTFE dielectric ensures electrical consistency over time.

For engineers, it’s one less thing to worry about — a connector that simply doesn’t fail.

Mechanical and Electrical Characteristics

Frequency Range: DC to 11 GHz (Extended up to 18 GHz for precision types)

Impedance: 50 Ω standard

VSWR: typically ≤1.3:1

Coupling: Threaded interface for vibration resistance

Materials: Brass/Nickel, Stainless Steel, PTFE insulation, Gold-plated center contact

Temperature Range: –65°C to +165°C

Compliance: RoHS, REACH, and MIL-STD mechanical testing

Every TNC connector undergoes mechanical endurance, moisture resistance, and RF insertion loss testing to ensure consistency under long-term deployment.

Real-World Applications

The TNC-type RF connector is a proven performer across industries that demand reliability and high frequency stability:

5G and LTE Base Stations: Secure antenna-to-radio connections with low signal loss

Military and Aerospace Systems: Shock-resistant, waterproof interconnects for mission-critical data links

Radar and Navigation Equipment: Stable transmission under dynamic motion and environmental stress

Test & Measurement Devices: Precision connectors ensuring repeatable high-frequency calibration

Industrial IoT Networks: Weatherproof interconnects in outdoor monitoring and automation systems

Every application benefits from the same principle — a secure, stable connection that endures where others fail.

The Trusted Link Between Power and Precision

What makes the TNC connector remarkable isn’t just its technical specifications — it’s the confidence it provides.
Its design strikes the perfect balance between mechanical endurance and electrical precision, offering a versatile solution for engineers who need both performance and protection.

As wireless systems expand and high-frequency communication grows more demanding, TNC connectors continue to serve as the bridge between power and precision.
They embody the philosophy of dependable connectivity — the kind that works every time, in every condition.

Supply, Customization & Global Support

We provide a complete range of TNC-type RF coaxial connectors, including standard, reverse-polarity (RP-TNC), and waterproof IP67/IP68 variants.
Custom options include different plating finishes, dielectric materials, and mounting configurations for board, panel, or cable integration.

Our products are fully RoHS/REACH compliant, and every unit is tested for VSWR, insertion loss, and mechanical integrity.
We also offer stock sourcing, BOM kitting, and short lead times to support your production schedule.

Partnering with us means access to a global logistics network and technical experts who ensure your RF systems perform exactly as intended.