QMA Adapters
Secure, Quick-Connect Solutions for High-Frequency Applications
Overview
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QMA adapters from Amphenol RF provide a reliable, snap-on alternative to threaded SMA connectors, enabling fast and easy installation without compromising performance. These precision-engineered adapters are ideal for applications that demand quick mating and consistent electrical performance in tight or dynamic environments.
The QMA interface offers a high-performance RF connection with a secure locking mechanism that simplifies installation and maintenance. These adapters are commonly used in cellular infrastructure, test and measurement equipment, and other applications where time, space, and signal integrity are critical. With 360-degree rotation and robust mechanical stability, QMA adapters are well-suited for densely packed systems and frequent connect/disconnect cycles.
Features and Benefits
- Snap-on coupling mechanism for fast, tool-free installation
- High frequency performance up to 6 GHz
- 360° rotation allows for flexible cable routing
- Available in both in-series and between-series configurations
- Rugged design with secure locking for vibration-prone environments
Applications
- Wireless Infrastructure – Used in base stations and repeaters for quick-connect RF paths.
- Test and Measurement – Ideal for lab setups requiring frequent reconfiguration.
- Military and Aerospace – Compact, robust design supports high-performance, mobile systems.
- Industrial Equipment – Suitable for rugged environments requiring durable RF connectivity.
All QMA Adapter Categories
Related Resources
In-series and between-series QMA adapters expand quick-locking options
Amphenol RF is pleased to announce the expansion of our QMA adapter product series. Quick-locking adapters are available in both in-series and between-series configurations with N-Type, SMA and TNC options.
Trusted QMA product line expands to include LMR-400 cable options
Amphenol RF expands legacy QMA line to include configurations compatible with Times Microwave's LMR-400 cable.
QMA Adapter Product Series
Amphenol RF's QMA Adapter Series features quick-locking in-series and between-series adapters with a snap-on interface, offering fast and flexible installation by allowing 360° rotation after connection. These adapters support frequencies up to 18 GHz and are ideal for applications such as antennas, base stations, 5G wireless infrastructure, amplifiers, and test and measurement equipment.
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