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Door Contact Sensor with SuperLink Wireless Connectivity
The Ubiquiti USL-Entry is a door contact sensor designed to monitor the open/closed status of doors. It accurately detects door opening and closing events. The device supports SuperLink wireless communication and is designed for use with the UniFi Protect system.


CR123A Battery
The device is powered by a CR123A battery, which can provide up to 6 years of operation when fully charged. The battery can be easily replaced by the user.
Specifications
| Ubiquiti USL-Entry | |
| Overview | |
|---|---|
| Dimensions |
Device: 75.5 x 23.5x 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") |
| Mounting | Adhesive and screw mount |
| UniFi Application Suite | UniFi Protect |
| Performance | |
| Connectivity | SuperLink |
| Operating Frequency | 865.1 - 869.5 MHz |
| Antenna Gain | 0 dBi |
| Max. TX Power | 14 dBm |
| Max. Range | 2 km (Line of Sight) |
| Sensor Features | Reed Switch |
| Hardware | |
| Max. Power Consumption | 27,7 W |
| Supported Voltage Range | 3 V |
| Power Method | Lithium battery CR123A |
| Battery Life | Up to 6 years |
| Weight |
Device: 41 g (1.4 oz) Magnet: 22 g (0.8 oz) |
| Enclosure Material | Polycarbonate |
| Mount Material | Polycarbonate |
| Buttons |
(1) Factory reset (1) Function button (1) Tamper switch |
| LEDs |
(1) Status: R/B/W (1) Signal: B/R |
| Ambient Operating Temperature | 0 to 40° C (32 to 104° F) |
| Ambient Operating Humidity | 10 to 90% noncondensing |
| NDAA Compliant | Yes |
| Software | |
| Application Requirements |
Web Application: UniFi Protect Mobile App: UniFi Protect iOS and Android |





