RF Connectors

An RF (Radio Frequency) connector is a type of electrical connector designed to work with radio frequencies, typically from a few MHz up to several GHz. It allows efficient transmission of RF signals between cables, antennas, and electronic equipment while maintaining impedance and minimizing signal loss.

Popular RF connector types include:

• SMA (SubMiniature A) – up to 18 GHz

• N-Type – up to 11 GHz

• BNC (Bayonet Neill–Concelman) – up to 4 GHz

• TNC (Threaded Neill–Concelman) – up to 11 GHz

• 7/16 DIN – high-power RF applications

• MCX / MMCX – compact connectors for mobile and embedded systems

The impedance value determines how well the connector matches the system:

• 50-ohm connectors are used in data, RF communication, and test equipment.

• 75-ohm connectors are used for video, broadcast, and CATV applications.

Using mismatched impedances can cause reflections and signal degradation.

Typical materials include:

• Body: Brass, stainless steel, or aluminum

• Plating: Nickel, gold, or silver for corrosion resistance and conductivity

• Insulator: PTFE (Teflon) or other low-loss dielectric materials

Poor-quality or mismatched connectors can introduce insertion loss, VSWR (Voltage Standing Wave Ratio) degradation, and signal reflections. High-quality connectors are designed for low-loss performance and precise impedance matching.

Consider these factors:

• Connector type and mating interface

• Frequency range

• Impedance (50 or 75 ohms)

• Power handling

• Environmental conditions (temperature, vibration, moisture)

• Cable type and size

VSWR (Voltage Standing Wave Ratio) measures how efficiently RF power is transmitted through the connector and cable system. A low VSWR (close to 1:1) indicates minimal signal reflection and good impedance matching.

Yes. RF connectors come in male and female versions:

• Male connectors typically have a center pin.

• Female connectors have a center socket.

Adapters are available to convert between genders or connector types.

Not directly. Each RF connector type has a unique mechanical design. However, RF adapters can be used to connect different types (e.g., SMA to BNC, N-type to TNC) safely and effectively.

RF connectors are widely used in:

• Wireless communication systems (Wi-Fi, cellular, satellite)

• Antenna and radar systems

• Test and measurement equipment

• Military and aerospace electronics

• Broadcast and cable TV infrastructure

RF connectors are widely used in:

• Wireless communication systems (Wi-Fi, cellular, satellite)

• Antenna and radar systems

• Test and measurement equipment

• Military and aerospace electronics

• Broadcast and cable TV infrastructure

Most RF connectors can be reused if handled and maintained properly. However, repeated mating and de-mating can wear down the connector interface, especially in high-precision applications, so inspection and replacement are recommended over time.

To place an order for RF connector please contact us and we will help you!