




The Ubiquiti Entry Sensor is a long-life wireless door and window sensor designed to monitor open/closed status with exceptional reliability. Powered by Ubiquiti’s proprietary SuperLink technology, it delivers extended range, low power consumption, and seamless integration with UniFi Protect for real-time monitoring and alerts.
With up to 6 years of battery life on a single CR123A lithium battery, the USL-Entry is ideal for security, access control, and environmental monitoring applications. Its compact, low-profile design supports both adhesive and screw mounting, making it suitable for residential, commercial, and enterprise deployments.
| Specification | Details |
|---|---|
| Model | USL-Entry |
| Application | Door / Window Open-Close Monitoring |
| Connectivity | SuperLink (Proprietary) |
| Operating Frequency | US: 915.6–927.6 MHz EU: 865.1–869.5 MHz |
| Maximum Range | Up to 2 km (1.2 miles) |
| Antenna Gain | 0 dBi |
| Maximum TX Power | 14 dBm |
| Sensor Type | Reed Switch |
| Power Method | CR123A Lithium Battery |
| Battery Life | Up to 6 years |
| Max. Power Consumption | 27.7 mW |
| Dimensions (Device) | 75.5 × 23.5 × 22.5 mm (3 × 0.93 × 0.89") |
| Dimensions (Magnet) | 39 × 15.1 × 12.9 mm (1.5 × 0.6 × 0.5") |
| Weight | Device: 41 g (1.4 oz) Magnet: 22 g (0.8 oz) |
| Mounting | Adhesive or Screw Mount |
| Operating Temperature | 0 to 40° C (32 to 104° F) |
| Operating Humidity | 10 to 90% noncondensing |
| Certifications | FCC, IC, CE |
| NDAA Compliant | Yes |
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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