Ubiquiti USL-Relay Compact SuperLink Relay

Seamless Sensor and Signaling Integration Over SuperLink Designed for flexible control and third-party device integration, this compact relay connects sensors and signaling equipment into the UniFi Protect ecosystem through long-range SuperLink connectivity. The Ubiquiti USL-Relay Compact SuperLink Relay provides dry contact input and output interfaces in a small enclosure suitable for wall, adhesive, or DIN rail mounting. Highlights Compact Relay for Integration Projects • Designed for third-party sensors and signaling devices • Supports dry contact input and relay output connections • Compact 50 x 47.6 x 28 mm form factor for space-constrained installations Long-Range SuperLink Connectivity • Proprietary SuperLink wireless connectivity • Up to 2 km range • Supports US and EU operating frequency ranges Flexible Mounting Options • Adhesive mounting for quick placement • Wall mounting for fixed installations • DIN rail mounting for control cabinet deployments Built for Reliable Operation • Polycarbonate enclosure and mount material • Integrated protection for power and input interfaces • NDAA compliant with CE, FCC, and IC certifications Key Features Ubiquiti USL-Relay Compact SuperLink Relay • Compact SuperLink relay for UniFi Protect integration • I/O interfaces for connecting dry contact sensors and signaling devices • Supports relay output, signal input, and DC power terminal blocks • Designed for flexible installation across security and automation environments Dry Contact Input and Relay Output • Output terminal block: O1, COM, O2 • Dry contact output supports 12 to 48 V DC and 12 to 240 V AC • Output capacity up to 10 A per port • Input terminal block: I1, I2 with open and short detection to ground Power and Protection Design • Supports 12 V DC, 24 V DC, and 48 V DC power methods • Power terminal block: VDD and GND • Integrated 5 V TVS protection for input • Integrated over-temperature protection at 85°C SuperLink Wireless Performance • SuperLink antenna gain: 1 dBi • Maximum TX power: 14 dBm • Maximum SuperLink range: 2 km • US frequency range: 915.6 to 927.6 MHz • EU frequency range: 865.1 to 869.5 MHz Installation and Status Visibility • Includes factory reset button and test button • RGBW LED for LoRa and status indication • White LEDs for signal input and relay output indication • Lightweight 100 g design for flexible placement Operating Environment • Operating temperature: 0 to 40°C • Operating humidity: 10 to 90 percent non-condensing • Certified with CE, FCC, and IC • NDAA compliant Summary / Conclusion The Ubiquiti USL-Relay Compact SuperLink Relay is a practical integration component for connecting third-party sensors and signaling devices into UniFi Protect deployments. With dry contact I/O, long-range SuperLink connectivity, multiple mounting options, and a compact protected design, it enables flexible deployment across security, monitoring, and control applications.