Mini-SMP Adapter: Compact High Frequency Connections

What Is a Mini-SMP Adapter?

A Mini-SMP adapter, also known as a GPPO adapter, is an ultra-miniature RF connector that bridges a 2.4mm interface with a GPPO Mini-SMP interface. It covers a frequency range from DC to 50 GHz, making it suitable for millimeter wave systems where board space is tight but reliable signal transfer is still required.

Build and Design

This adapter uses a snap-on mating mechanism instead of a threaded connection, which speeds up assembly and holds up well through repeated connect and disconnect cycles. It features a stainless steel body and gold-plated contacts, keeping insertion loss low and VSWR stable across thousands of mating cycles, all in a compact footprint that saves valuable board space.

Where It's Used

The Mini-SMP adapter is commonly used in satellite communication systems, phased array modules, and dense RF test fixtures where multiple connections need to fit into a limited area. It gives engineers a reliable way to switch between standard coaxial and miniature board-level interfaces without adding bulk to the signal chain.

Pairing With MMPX Cable

In systems built around compact adapters like this one, an MMPX cable is a common pairing. MMPX uses an ultra-miniature interconnect design as well, making it a strong fit for dense, high-channel-count systems where standard cable sizes take up too much space. These cables come with a snap-on mating mechanism for fast, repeatable connections, and are often used in phased array radar, high-speed data links, and compact RF modules that already rely on miniature connectors.

Why Choose Flexi RF Inc

Flexi RF Inc manufactures a wide range of RF and microwave components, including adapters, cable assemblies, connectors, and attenuators, with over 10,000 products across 10+ product lines. All orders ship the same day, with support available from experienced RF engineers who can help confirm the right combination of components for a specific frequency range and application. Visit Flexi RF Inc to explore the full product range.