Choosing the right RF connector is essential for maintaining signal integrity in high-frequency systems. SMA, 2.92 mm, 2.4 mm and 1.85 mm connectors are widely used in RF testing, microwave communication and precision measurement. However, they are not interchangeable simply because they look similar.
SMA connectors are commonly used in RF communication equipment, antennas, test instruments and coaxial cable assemblies. They offer a practical balance of size, mechanical robustness and cost.
The usable frequency range depends on the specific connector design, interface quality and cable assembly. Standard SMA products should not automatically be assumed suitable for millimeter-wave applications.
Also known as K-type connectors, 2.92 mm connectors are widely used in microwave test systems and high-frequency measurement. Their precision interface makes them suitable for applications requiring consistent electrical performance at frequencies beyond typical SMA applications.
These precision connectors are designed for higher-frequency applications, including millimeter-wave measurements. The 2.4 mm interface is commonly associated with applications up to 50 GHz, while 1.85 mm designs are commonly used up to 67 GHz. Always verify the manufacturer’s rated frequency and interface specifications.
Before selecting a connector, check:
Never mate connectors based on appearance alone. Similar-looking interfaces may have different dimensions and can be damaged by improper mating.
The best RF connector is the one that matches the frequency, interface, measurement accuracy and mechanical requirements of the system. For demanding applications, verify the complete connector specification rather than relying on the connector name alone.
Explore ORVEX RF’s RF coaxial connectors to review available connector families and discuss your application requirements.
RF loads, also known as RF terminations, are used to absorb radio-frequency energy at the end of a transmission line or test port. A properly selected load helps minimize signal reflections and maintain the expected impedance conditions in RF and microwave systems. RF loads are commonly used in test equipment, communication systems, transmitters and laboratory
RF Loads Explained: Types, Power Ratings and Applications Read More »
RF attenuators are passive components designed to reduce signal power by a specified amount. They are widely used in RF testing, communication systems, microwave instruments and electronic equipment to control signal levels and protect sensitive components. Selecting the right RF attenuator requires careful consideration of attenuation value, frequency range, power handling, impedance and connector type.
RF Attenuators Explained: Types, Applications and Selection Guide Read More »
RF coaxial adapters connect different connector interfaces in RF and microwave systems. They are commonly used in test equipment, communication systems, antennas and coaxial cable assemblies. Although an adapter may look like a simple component, choosing the wrong interface or frequency rating can affect signal performance, mechanical reliability and measurement accuracy. This guide explains the
How to Choose the Right RF Coaxial Adapter Read More »
VSWR and return loss are two important parameters used to evaluate the impedance matching of RF and microwave components. They help engineers understand how much of an incident signal is reflected at a connector, cable assembly, antenna or other RF interface. Although VSWR and return loss describe the same underlying reflection behavior, they use different
Understanding VSWR and Return Loss in RF Systems Read More »
A vector network analyzer (VNA) is only as reliable as the measurement setup connected to it. RF test cables play an important role in measurement accuracy, repeatability and stability, especially at microwave and millimeter-wave frequencies. Choosing the right RF test cable requires more than checking its maximum frequency. Cable loss, phase stability, connector compatibility and
How to Choose an RF Test Cable for VNA Measurements Read More »
Choosing the right RF connector is essential for maintaining signal integrity in high-frequency systems. SMA, 2.92 mm, 2.4 mm and 1.85 mm connectors are widely used in RF testing, microwave communication and precision measurement. However, they are not interchangeable simply because they look similar. 1. SMA Connectors SMA connectors are commonly used in RF communication
SMA vs. 2.92 mm vs. 2.4 mm vs. 1.85 mm RF Connectors Read More »