Milesight LoRaWAN AU915/AS923 EM300 Magnetic Contact Switch IoT Sensor with integrated Temp/Humidity sensor
Features
Milesight LoRaWAN AU915/AS923 EM300 Magnetic Contact Switch IoT Sensor
The Milesight EM300-MCS is a LoRaWAN AU915/AS923 compact magnet switch IoT sensor for detecting the open/close status of objects (such as doors or windows) and transmits an alarm using LoRaWAN® technology. With this low power consumption technology, EM300-MCS can work up to 5 years with one 4000 mAh battery.
Combining a Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can manage all sensor data and remotely and visually receive alarms via the mobile APP.
The EM300-MCS also integrates temperature and humidity sensors, which is a great use for home/office automation, factory monitoring, Smart Agriculture, Smart Cities, etc.
- High sensitivity with door and window security detection
- LoRaWAN US915/AU915/KR920/AS923
- 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 5 years without replacement
- Equipped with NFC for easily configuration
- Compliant with standard LoRaWAN gateways and network servers
- Quick and easy management with Milesight IoT Cloud solution
Remote Control at Your Fingertips
Remotely turn on/off the electrical appliance from your mobile phone
Advanced Alarm Settings
With customized alarm report interval and times, users are able to apply it flexibly in various scenarios.
3 Sensors in 1
EM300-MCS is equipped with temperature and humidity sensors for comprehensive monitoring in one device.
Industrial Grade Design for Harsh Environment
- IP67 Enclosure for Dust and Water Ingress
- UV Resistance
Multi-Year Battery Operation
- 1 × ER18505 Li-SOCL2 4000 mAh (8000 mAh optional) ensure more than 5 years' service life
- Available for over 10 years
Support Retransmission for Reliable Communication
With support for data retransmission, the device guarantees that the web server gets all the data even if the network is down occasionally.
Store Capacity with 2,800 Sets of Historical Data Records
Data can be stored in the device and cannot be manually deleted, further securing the traceability of the reported information.
Specifications
Technical Specifications
| Product Code | EM300-MCS-915M |
|---|---|
| Frequency | US915/AU915/KR920/AS923 |
| Tx Power | 20dBm |
| Sensitivity | -147dBm @300bps |
| Mode | OTAA/ABP Class A |
| Door Magnet Detection Distance | 20-30mm |
| Cable Length | 260mm |
| Temperature Range | -30°C to + 70°C |
| Accuracy | 0°C to + 70°C (+/- 0.3°C), -30°C to 0°C (+/- 0.6°C) |
| Resolution | 0.1°C |
| Humidity Range | 0% to 100% RH |
| Accuracy | 10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%) |
| Resolution | 0.5% RH |
| Operation | Power On & Off NFC, power button (Internal) |
| Configuration | Mobile APP(via NFC) or PC software (via USB Type-C) |
| Power Supply | 1 × 4000 mAh ER18505 Li-SOCL2 battery (extendable to 2 batteries) |
| Battery Life | >5 years (10 min interval and alarm once every day, SF10) |
| Operating Temperature | -30°C to +70°C |
| Relative Humidity | 0% to 100% (non-condensing) |
| Ingress Protection | IP67 |
| Dimension | Transceiver: 105.6 × 85.3 × 27 mm (4.16 × 3.36 × 1.06 in), Magnet: 32 × 15 × 8 mm (1.25 × 0.59 × 0.31 in) |
| Installation | Wall Mounting |
| Package Contents | Sensor, Mounting Screws, Warranty Card |
| Brand | Milesight |
|---|---|
| Product Type | Networking > Switches |
| Weight | 0.5 kg |
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return
