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EM300-MCS-868M - Magnetic Contact Switch Sensor

SKU EM300-MCS-868M

EM300-MCS is a compact magnet switch sensor for detecting open/close status of objects (such as doors or windows)and transmitting alarm using LoRaWAN® technology. With this power consumption technology, EM300-MCS can work up to 5 years with 4000 mAh battery. Combined with a MilesightLoRaWAN® gateway, users can manage all sensor data and remotely and visually and receive alarms via mobile App.

EM300-MCS also integrates temperature and humidity sensors, which has a great use for applications such as home and office automation, factories monitoring, etc.


  • High sensitivity with door and window security detection
  • Embedded with temperature and humidity sensors for environment monitoring
  • Ultra-wide-distance transmission up to line of sight of 10km
  • IP67 UV-resistant and waterproof enclosure for harsh environment applications 
  • Built-in 4000 mAh replaceable battery and works for more than 5 years without replacement
  • Store locally 3, 000 historical records and support retransmission to prevent data loss Support Milesight D2D protocol to enable ultra-low latency and direct control without gateways
  • Equipped with NFC for easily configuration
  • Compliant with standard LoRaWAN® gateways and network servers


Measuring Range

  • Temperature: -30°C ~ 70°C
  • Humidity: 0% ~ 100% RH
  • Detection Distance: 20 ~ 30mm


Documentation & Downloads for EM300-MCS

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