UniFi SuperLink
Entry Sensor
Two small pieces on a door or window frame. Knows when a door or window opens. The base of any alarm.
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GOOD FOR
- Sticks on. One battery lasts years.
- Tamper switch tells you if someone pulls it off.
KNOW BEFORE YOU BUY
- Indoor only, 0 to 40 degrees. Not for a shed door in January.
What it needs
To make it work.
A SuperLink Gateway in range. One CR123A battery.
The numbers
Full specs.
| What it senses | Reed switch |
|---|---|
| Connectivity | SuperLink (proprietary) |
| Range | 2 km (1.2 mi) |
| Power | Lithium battery CR123A |
| Battery life | Up to 6 years |
| Mounting | Adhesive and screw mount |
| Operating temperature | 0 to 40° C (32 to 104° F) |
| Size | Device: 75.5 x 23.5 x 22.5 mm (3 x 0.93 x 0.89") Magnet: 39 x 15.1 x 12.9 mm (1.5 x 0.6 x 0.5") |
| Weight | Device: 41 g (1.4 oz) Magnet: 22 g (0.8 oz) |
| Buttons | Factory reset, function button, tamper switch |
| Certifications | FCC, IC, CE |
| NDAA compliant | Yes |
| Power draw | 0.0277 W |
| Works with | Protect |
| Frequency | US: 915.6-927.6 MHz EU: 865.1-869.5 MHz |
| Enclosure | Polycarbonate |
| Operating humidity | 10 to 90% noncondensing |
Source: techspecs.ui.com, verified 2026-10-09. Model USL-Entry.
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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.