UniFi SuperLink
Protect Relay
Small box in a panel or on a DIN rail. A wireless switch. Turns a gate, a light, a strobe or a buzzer on and off from Protect.
$55 all-inCAD, the checkout number, updated daily

GOOD FOR
- Two outputs at 10 A each, two inputs. Wall, adhesive or DIN rail.
- Wireless, so no cable back to the console.
KNOW BEFORE YOU BUY
- Needs 12 to 48 V DC power. Indoor only, 0 to 40 degrees.
What it needs
To make it work.
A SuperLink Gateway in range. A 12 to 48 V DC supply.
The numbers
Full specs.
| Connectivity | SuperLink (Proprietary); US 915.6-927.6 MHz; max. range 2 km (1.2 mi); max. TX 14 dBm |
|---|---|
| Power | 12V DC / 24V DC / 48V DC (VDD/GND terminal, max. 48V, OTP at 85° C) |
| Mounting | Adhesive, wall and DIN rail mount |
| Operating temperature | 0 to 40° C (32 to 104° F) |
| Size | 50 x 47.6 x 28 mm (2 x 1.9 x 1.1") |
| Weight | 100 g (3.5 oz) |
| Certifications | CE, FCC, IC |
| NDAA compliant | Yes |
Source: techspecs.ui.com, verified 2026-09-12. Model USL-Relay.
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Want it installed?
We mount it, pair it to the gateway and set the alarm rules in Protect. Book a design assessment and the fee comes off the install.
