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MMCX (Micro-Miniature Coaxial) connectors are ultra-compact RF solutions designed for high-density applications up to 6 GHz. As the smallest RF connector with a locking mechanism, they provide reliable performance in space-constrained devices. Commonly used in 4G/5G modules, IoT devices, and wearable technology, MMCX connectors offer excellent signal integrity while being 30% smaller than MCX connectors. Their unique snap-lock design ensures secure connections in vibration-prone environments.

Base Products

Twin MMCX-JW-1.5 Connector Series

Twin MMCX-JW-1.5 Connector Series

Twin MMCX-JW-1.5 Connector Series,DC-6GHz,50Ω
Twin MMCX-KE Connector Series

Twin MMCX-KE Connector Series

Twin MMCX-KE Connector Series,DC-6GHz,50Ω
Twin MMCX-KWE Connector Series

Twin MMCX-KWE Connector Series

Twin MMCX-KWE Connector Series,DC-6GHz,50Ω

Category Insights

MMCX connectors support frequencies up to 6 GHz with typical power handling of 10-20W. While they can operate beyond 6GHz, insertion loss increases significantly compared to larger connectors. Their miniature size makes them ideal for low-to-moderate power applications in compact wireless devices and mobile communication systems.
MMCX features a unique snap-on locking mechanism that provides secure mating while allowing 360° rotation. The connector "clicks" into place for positive engagement, offering better vibration resistance than non-locking miniature connectors. This design enables reliable connections in mobile applications while maintaining an extremely small footprint (2.5mm diameter).
Compared to MCX:
  • 30% smaller footprint
  • Better vibration resistance
  • 360° rotational capability
  • Versus SMP:
  • More cost-effective
  • Easier manual mating/unmating
  • Standardized interface: However, SMP connectors support higher frequencies (up to 40GHz) for specialized millimeter-wave applications.
MMCX is widely adopted in:
  • 5G small cells and CPE devices
  • Wearable medical monitors
  • Drone communication systems
  • Automotive telematics
  • Satellite phones
  • High-density server backplanes: Their combination of miniaturization and reliability makes them perfect for modern compact electronics.
Quality MMCX connectors typically withstand 100-500 mating cycles - fewer than full-size connectors but sufficient for most embedded applications. For higher durability requirements, consider:
  • Using gold-plated contacts
  • Selecting reinforced versions
  • Implementing careful handling procedures
  • Alternative connectors like SMPM for critical applications needing more cycles