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Ubiquiti Networks Entry Sensor (USL-ENTRY)
- SuperLink sensor with up to 6-year battery life for monitoring door and window open/closed status.
The Ubiquiti Entry Sensor is a long-life wireless door and window sensor designed to monitor open/closed status with exceptional reliability. Powered by Ubiquitis 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.
Key Features- Door and window monitoring: Detects open/closed status using an integrated reed switch.
- Long battery life: Up to 6 years of operation on a single CR123A lithium battery.
- Extended wireless range: Up to 2 km (1.2 miles) using SuperLink technology.
- Low power consumption: Designed for ultra-efficient, long-term deployment.
- Compact form factor: Discreet design suitable for any environment.
- Flexible mounting: Supports adhesive or screw installation.
- UniFi Protect integration: Centralized monitoring through UniFi web and mobile apps.
- Tamper detection: Built-in tamper switch for enhanced security.
- NDAA compliant: Suitable for regulated and enterprise environments.
| Model | USL-Entry | |
| Application | Door / Window Open-Close Monitoring | |
| Connectivity | SuperLink (Proprietary) | |
| Operating Frequency | US: 915.6927.6 MHz | EU: 865.1869.5 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 |
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
The Ubiquiti Networks Entry Sensor (USL-ENTRY) is a SuperLink sensor that monitors whether doors and windows are open or closed, making it suitable for home or small-business users with a SuperLink Gateway who want entry-status monitoring.
Recommended For
- UniFi Protect users who want open/closed alerts for frequently used exterior doors or windows, with sensor events available in the Protect app and optionally linked to a camera.
- Homeowners or small-property operators who already have a SuperLink Gateway and want to monitor several doors or windows without routinely changing sensor batteries.
- People replacing a compatible existing alarm or smart-home contact sensor who want door and window status inside their UniFi Protect setup; one early owner reported quick notifications and straightforward adoption.
- UniFi users monitoring doors or windows in locations where pulling new sensor wiring is inconvenient, but where a SuperLink Gateway can communicate with the sensor.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Monitoring whether doors and windows are open or closed with a SuperLink sensor |














