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Ubiquiti Siren - SuperLink Outdoor Siren, 110dB (USL-Siren)
The Ubiquiti Siren is a 110 dB outdoor alarm siren with an RGBW LED ring, compatible with the UniFi Protect system. It utilizes SuperLink technology with a range of up to 2 km and features an IP56 enclosure with a tamper sensor. It supports hybrid power: wired 12-24V DC or battery power (4x CR123A).
Ubiquiti Siren – Outdoor Alarm Siren for the SuperLink System
Ubiquiti Siren (USL-Siren) is a fully weatherproof alarm siren designed as an active deterrent in the UniFi ecosystem Protect. The device generates a loud 110 dB audible signal, supported by a built-in LED warning ring (RGBW). Using the SuperLink wireless protocol, the siren offers an impressive communication range of up to 2 kilometers in open spaces. Please note that a SuperLink Gateway base station is required for siren configuration and operation.
The compact housing (dimensions approx. 14 x 14 x 3.5 cm) is made of a combination of durable polycarbonate and aluminum alloy and has an IP56 rating. This means protection against water jets and dust ingress, and also guarantees stable operation in extreme temperatures (from -30°C to +50°C). The device can be permanently connected to a 12–24V DC power source or powered by four CR123A batteries. Additionally, if your infrastructure allows, it's worth considering the UP-Siren-PoE model, which is a twin version of this device based solely on wired communication and power supply (PoE).
The security of the installation itself is enhanced by a built-in tamper switch, which immediately triggers an alarm and sends a notification to the administrator in the event of an unauthorized attempt to disassemble or remove the device from the wall. Additionally, the siren has a physical input signal terminal. Full management is via the UniFi Protect app (web and mobile), allowing you to create advanced automation rules.
Key Features:
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Powerful Alarm: Loud 110 dB audible alarm combined with a customizable, multi-color LED warning ring (RGBW).
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SuperLink Connectivity: Wireless protocol that provides coverage Up to 2 km (requires SuperLink Gateway base station).
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Fully weatherproof: IP56-rated aluminum and polycarbonate exterior with a temperature tolerance of -30°C to 50°C.
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Hybrid power: Can operate on a wired 12-24V DC power supply or completely wirelessly with 4 CR123A batteries.
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Anti-tamper protection: Integrated tamper switch detects attempts to remove the siren from the wall.
Technical Specifications
| SuperLink Technology and Range | Antenna Gain: 2 dBi, Max. Transmit Power: 14 dBm, Max. Range: 2 km (1.2 mi) |
| Operating Frequency | US: 915.6–927.6 MHz, EU: 865.1–869.5 MHz |
| Input Connectors | (1) Power Input, (1) Signal Input |
| Buzzer | Yes |
| LED Indicators and Lighting | System LED (R/G/B/W), Status LED (R/G/B), Light Ring (R/G/B/W) |
| Buttons and Switches | (1) Power, (1) Factory Reset, (1) Tamper Switch |
| Management Apps | UniFi Protect Web, UniFi Protect iOS™, and Android™ |
| NDAA Compliant | Yes |
Power |
|
| Power Method | (4) CR123A Batteries or 12–24V DC Power |
| Maximum Power Consumption | 5W |
Other |
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| Dimensions | 139.9 x 139.9 x 35 mm (5.5 x 5.5 x 1.4") |
| Weight | 345 g (12.2 oz) |
| Housing Materials | Aluminum Alloy, Polycarbonate |
| Mounting | Wall, Ceiling Mount (Included) |
| Ingress Protection | IP56 |
| Ambient Temperature | -30 to 50° C (-22 to 122° F) |
| Ambient Humidity | 5 to 90% (non-condensing) |
| Certifications | FCC, IC, CE |
| Manufacturer SKU | USL-Siren |
|---|---|
| Manufacturer | Ubiquiti |
| PCS in collective packaging | 8 |
| GPSR contact | Ubiquiti International Holding B.V. Ekkersrijt 3102, 5692 CC Son en Breugel support@ui.com |
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