---
lang: "en"
title: "EM300-MCS LoRaWAN Magnetic Contact Switch Sensor"
sku: "EM300-MCS-868M"
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brand: "MARCOM S.r.l."
end_of_life: "false"
---

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EM300-MCS LoRaWAN Magnetic Contact Switch Sensor

EM300-MCS is a compact sensor with a magnetic switch to detect the open/close status of objects (like doors or windows) and transmit alarms using LoRaWAN® technology. With this low-power technology, EM300-MCS can operate for up to 5 years with a 4000 mAh battery. In combination with Milesight's LoRaWAN® gateway and Milesight's IoT Cloud solution, users can manage all sensor data remotely and visually, and receive alarms via mobile APP. EM300-MCS also integrates temperature and humidity sensors, which has great use for applications such as home and office automation, factory monitoring.

## Features

- High sensitivity with security detection for doors and windows
- Integrated with temperature and humidity sensors for environmental monitoring
- Ultra-long distance transmission up to 10 km line of sight
- IP67 UV resistant and waterproof housing for harsh environment applications
- Built-in 4000 mAh replaceable battery and operates for 5 years without replacement
- Equipped with NFC for easy configuration
- Compatible with standard LoRaWAN® gateways and network servers

## Technical Specifications

- LoRaWAN® Frequency EU868, Tx Power 17dBm (470) / 16dBm (868) / 20dBm (915), Sensitivity -147dBm @300bps
- Mode OTAA/ABP Class A
- Detection Cable 1007UL #22AWG 260mm
- Type Normally closed
- Magnet Distance 20-30mm
- Hole Distance 22mm
- Temperature Measurement Range -30°C to +70°C
- Accuracy 0~70°C: ±0.3°C, -30~0°C: ±0.6°C
- Resolution 0.1°C
- Humidity Measurement Range 0%~100% RH
- Accuracy ±3% (10~90%RH) ±5% (other ranges)
- Resolution 0.10%
- Physical Characteristics Power Supply 18505 Li-SOCL12 4000mA (8000mA optional)
- Battery Life ≧ 5 years (for 1 battery)
- Operating Temperature -40°C to 70°C
- Ingress Protection IP67
- Dimensions 88 × 87 × 27 mm
- Wall mounting (screws or 3M adhesives)

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Source: https://shop.marcomweb.it/en/lorawan/em300-mcs-lorawan-magnetic-contact-switch-sensor

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.