Ubiquiti Siren (USL-Siren) – All-Weather SuperLink Wireless Siren with 110 dB Alarm & Emergency LED Lighting

The Ubiquiti Siren (USL-Siren) is a rugged, all-weather SuperLink wireless alarm siren engineered to deliver powerful audible and visual alerts across your UniFi Protect deployment. With a piercing 110 dB alarm output, a full-color emergency LED light ring, and versatile battery or DC power options, the USL-Siren is the perfect deterrent and notification device for residential, commercial, and outdoor security installations.

Featuring IP56 weatherproofing, 2 km wireless range, and a discreet aluminum-polycarbonate build, this professional-grade siren functions reliably in the harshest environments — indoor or outdoor — and integrates seamlessly with the UniFi Protect ecosystem.

Note: SuperLink Gateway required for operation.

Key Features

• 110 dB High-Output Alarm: Powerful audible siren for maximum deterrent and emergency alerting
• Emergency LED Light Ring: Multi-color RGBW LED ring for visual alerts and status feedback
• Flexible Power Options: 4x CR123A batteries or 12–24V DC input for backup or permanent installation
• IP56 All-Weather Rating: Rugged construction suitable for indoor and outdoor installations
• Long-Range SuperLink Wireless: Up to 2 km (1.2 mi) transmission range
• Tamper Switch: Alerts you the moment someone attempts to interfere with the device
• Wall & Ceiling Mount Ready: Included mounting plate for fast, flexible installation
• UniFi Protect Integration: Full compatibility with the UniFi Protect application suite
• Wide Operating Temperature Range: Works reliably from -30°C to 50°C
• NDAA Compliant: Suitable for government and security-conscious deployments

Connectivity and Performance

• Wireless Protocol: SuperLink (Proprietary)
• Operating Frequency:
  • US: 915.6 – 927.6 MHz
  • EU: 865.1 – 869.5 MHz
• Antenna Gain (SuperLink): 2 dBi
• Max. TX Power (SuperLink): 14 dBm
• Max. Range (SuperLink): 2 km (1.2 mi)
• Buzzer: Yes

LEDs and Controls

• System LED: R/G/B/W
• Status LED: R/G/B
• Light Ring: R/G/B/W multi-color emergency indicator
• Buttons: (1) Power, (1) Factory reset, (1) Tamper switch
• Input Terminals: (1) Power input + (1) Signal input

Technical Specifications

Management & Software

• Web Application: UniFi Protect
• Mobile App: UniFi Protect for iOS™ and Android™
• Additional Hardware: SuperLink Gateway required

The Ubiquiti Siren (USL-Siren) combines a powerful 110 dB alarm, high-visibility LED lighting, all-weather durability, and long-range SuperLink wireless connectivity to deliver a professional-grade security alerting solution. Whether you're securing a home, business, or outdoor property, the USL-Siren is the loud, visible, and reliable last line of defense your UniFi Protect deployment needs.