WS301 Magnetic Contact Switch

Milesight WS301 simply enables you to know when some one 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 in side 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.

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

Easy to Use

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

1st Step
Install the Milesight ToolBox (Android/iOS).

2nd Step
Enable NFC and run ToolBox,
attach your phone to the device.

3rd Step
Verify the password and start configuring.

• 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 1200 mAh 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

Wireless Transmission

Technology LoRaWAN® v1.0.2/v1.0.3/v1.1
Frequency 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

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