Ubiquiti AF-11-DUP-L AirFiber 11 Low Band Duplexer for AF-11

Upgrade AF-11 airFiber links for higher capacity and more reliable wireless backhaul with the Ubiquiti AF-11-DUP-L low-band duplexer. Designed as the second duplexer for the AF-11, the AF-11-DUP-L enables MIMO operation so you can double effective throughput and improve link resilience—critical for security, surveillance, and remote monitoring networks. The low-band duplexer separates transmit and receive paths in the low-frequency band, improving spectral efficiency and reducing co-channel interference on crowded links. As part of Ubiquiti’s airFiber and UISP product line, the AF-11-DUP-L integrates seamlessly with existing AF-11 radios and accessories, making upgrades and deployments straightforward for IT and network teams. Rugged and compact for outdoor installations, this duplexer is ideal for high-capacity wireless backhaul supporting video surveillance, perimeter security, and distributed monitoring systems. Add the AF-11-DUP-L to your AF-11 deployment to unlock MIMO performance and better link stability for critical security and networking applications—order now or contact your Ubiquiti reseller for integration support.

• Enables true MIMO operation on AF-11 airFiber radios to increase throughput and link reliability
• Separates low-band transmit/receive paths for improved spectral efficiency and reduced interference
• Seamless compatibility with Ubiquiti AF-11 (airFiber) and UISP deployments for fast integration
• Compact, field-ready design ideal for outdoor wireless backhaul used in surveillance and monitoring
• Boosts performance for security, remote monitoring and high-capacity networking applications