Milesight WS301 LoRaWAN Magnetic Contact Switch


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  • Free Shipping Total Purchase > RM150
  • Cash Back 1% of Total Purchase
  • 30 Days Return Policy
  • 1 Year Warranty
  • Refund Policy
  • 100% Wire-Free
  • Simple Installation
  • 4~7 Years Battery Life
  • Easy Configuration (Via NFC)
SKU: MYP-MSG-017 Categories: ,

Milesight WS301 simply enables you to know when someone enters the office/building through door/window or something has been moved. The minimal magnet is placed inside the portable part, while the sensor is inside the fixed part that can be attached on door/window or other objects. With a style of minimalism and compact size, the wire-free WS301 can be easily mounted on the doors, panes, or cabinets, greatly providing real applications for smart homes, smart office or smart factories.

With LoRa technology, one of the most low power consumption technologies, Milesight WS301 can work up to almost 2years with out bothering to replace battery. Compliant with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, WS301 will surely monitor the real-time open/close status and receive alarms via mobile App.

Main Features

  • Suitable for various doors/windows of different materials
  • Support mounting tamper detection
  • LED for network status, open/close status, tamper and low battery indication
  • Ultra-wide-distance transmission up to line of sight of 15 km
  • Built-in 1200mAh replaceable battery can work continuously for 5 years
  • Equipped with NFC for one touch configuration
  • Support Milesight LoRa D2D protocol to enable ultra-low latency and directly control without gateway
  • Function well with standard LoRaWAN® gateways and network servers
  • Compliant with Milesight IoT Cloud

A Reliable Guardian for Every Door and Window

The WS301 LoRaWAN Magnetic Contact Switch (Door Sensor) can be mounted on any doors or windows to detect an opening or closing event. It adds physical security monitoring to your location by warning of intrusion or unauthorized entry.

Tamper Detection

Alerting administrator to any attempts to dismount the device

Long Battery Life

WS301 LoRaWAN Magnetic Contact Switch provides more than 4 years service life without battery replacement

WS301 Magnetic Contact Switch service life


Easy Installation

Easy to Use

Switching on/off and configuring the device via NFC technology from mobile phone or PC

Minimal Size


WS301 Magnetic Contact Switch




Wireless Transmission Technology LoRaWAN® v1.0.2/v1.0.3/v1.1
Frequency AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class A
Measurement and Interface Detection Distance 10-15 mm
Button 1 × Power Button (Internal), 1 × Tampering Button
Operation Configuration Mobile App (via NFC) or PC software (via USB Type-C)
Alarms Open/Close Status, Tamper, Low Battery
Physical Characteristics Power Supply 1 × 1200 mAh ER14250 Li-SOCl2 battery
Battery Life 4~7 years
Operating Temperature -20°C to +60°C
Relative Humidity ≤90% (non-condensing)
Ingress Protection IP30
Dimension Sensor: 50 × 30 × 17 mm (1.97 × 1.18 × 0.67 in) Magnet: 30 × 17 × 8 mm (1.18 × 0.67 × 0.31 in)
Installation On the flat surfaces with screws or 3M tapes




Additional information
Weight 0.4 kg
Dimensions 19 × 12 × 6 cm
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