WS301 Door Sensor

Milesight WS301 Smart LoRaWAN® Magnetic Contact Switch

The WS301 is a compact, wire-free magnetic contact switch designed to detect door or window openings, providing real-time alerts for enhanced security in smart homes, offices, and industrial environments.

• Compact and Minimalist Design
• Long Battery Life (4–7 Years)
• Easy Installation with 3M Tape or Screws
• Supports Tamper Detection
• NFC Configuration via Mobile App
• LoRaWAN® and Milesight D2D Protocol Support

Reliable Security Monitoring

The WS301 detects the opening and closing of doors or windows, sending instant alerts to your network. Its tamper detection feature ensures that any unauthorized attempts to remove or disable the device are promptly reported.

Long-Range Communication

Utilizing LoRaWAN® technology, the WS301 offers ultra-wide-distance transmission up to 15 km in rural areas, ensuring reliable communication even in challenging environments.

Efficient Power Management

Equipped with a 1200 mAh ER14250 Li-SOCl? battery, the WS301 delivers a battery life of 4 to 7 years, minimizing maintenance requirements and ensuring continuous operation.

Technical Specifications

• Wireless Transmission: LoRaWAN® v1.0.2/v1.0.3/v1.1, Milesight D2D
• Frequency Bands: CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
• Tx Power: 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
• Sensitivity: -137 dBm @300bps
• Mode: OTAA/ABP Class A
• Detection Distance: 10–15 mm
• Buttons: 1 × Reset Button (Internal), 1 × Tampering Button
• LED Indicator: Status/Alarm Indicator
• Configuration: NFC via Mobile App
• Alarms: Open/Close Status, Tamper, Low Battery
• Power Supply: 1 × 1200 mAh ER14250 Li-SOCl? Battery
• Battery Life: 4–7 years (depending on usage and settings)
• Operating Temperature: -20°C to +60°C
• Relative Humidity: ?90% (non-condensing)
• Ingress Protection: IP20
• Dimensions: Sensor: 50.5 × 31 × 18.5 mm; Magnet: 30 × 13.5 × 10 mm
• Installation: On flat surfaces with screws or 3M tapes

Network Compatibility

The WS301 is compatible with standard LoRaWAN® gateways and network servers, including Milesight IoT Cloud, ensuring seamless integration into existing IoT infrastructures.

Documentation:

WS301 Datasheet

WS301 User Guide