




LoRaWAN Distance & Fill Level Sensors
Implement Smart Waste processes to improve resource management and occupant comfort. Or effectively monitor industrial assets with Boiler and Tank fill-level monitoring.









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Milesight EM400-TDL Laser Distance LoRaWAN Sensor
- IP67 Rated Enclosure
- 3-in-1 Sensor for Fill Level, Tilt and Combustion
- LoRaWAN & NB-IoT Versions
- Up to 10 Year Battery
Product Description & Topology
The Milesight EM400-TLD is a distance sensor based on ToF (time of flight), which is mainly used for detecting the fill level and position status. With an appropriate FOV with the maximum field angle of 27°, it has almost no blind spot when installed on small-sized waste bins or containers. The embedded temperature sensor enables it to monitor whether the containers are burning for security reasons. With IP67 waterproof rating and internal damp-proof coating, it is suitable for outdoor applications. Besides, EM400-TLD is equipped with 3-axis accelerometer to detect the status of container lid. Milesight offers LoRaWAN® version and NB-IoT/Cat.M version to meet different communication needs. The LoRaWAN® version can be integrated with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, enabling remote and visual management of all sensor data. The NB-IoT/Cat.M version not only supports multiple application modes to compatible with IoT platforms, but also is equipped with GNSS for tracking and security purposes. EM400-TLD is specifically designed for small trash cans.
Features
- 2-350 cm wide detection range with extremely short blind zone
- Easy to install, especially suitable for small-size waste bins or containers
- Equipped with NTC temperature sensor for the detection and alarm of trash burning
- Built-in 3-axis accelerometer sensor to monitor device tilt status
- Damp-proof coating inside and IP67 waterproof enclosure for outdoor application
- Two built-in 9000 mAh replaceable batteries that work for up to 10 years without replacement
- Equipped with NFC for one touch configuration, support card emulation mode
- Ultra-wide-distance wireless transmission up to line of sight of 15 km
- Function well with standard LoRaWAN® gateways and network servers
- Compatible with Milesight IoT Cloud for remote management
Benefits of LoRaWAN for Smart Building and BMS Integrations:
Strong interoperability across diverse IoT devices and platforms
Secure, bi-directional communication suitable for building automation use cases
Flexible integration with BMS/MSI platforms for real-time monitoring and analytics
Scalable architecture that grows with building needs
Ideal for condition-based monitoring (air quality, occupancy, energy, leak detection, etc.)
Long-range coverage for hard-to-reach and large areas
Low power consumption, enabling multi-year battery life for sensors
Cost-effective deployment with minimal infrastructure
Easy retrofitting without pulling cables or disrupting operations
High device density for large-scale sensor networks








Benefits of LoRaWAN Distance & Fill Level Monitoring
Supports sustainability goals by reducing unnecessary collections and emissions
Improves occupant experience in offices, campuses, and public spaces
Prevents overflow and hygiene issues with real-time fill level alerts
Reduces operational costs through efficient route and schedule planning
Optimizes waste collection by servicing bins only when needed
Integrates seamlessly with BMS/MSI platforms for dashboards, alerts, and workflows
Works in hard-to-reach locations such as basements, plant rooms, and outdoor areas
Long battery life with minimal maintenance requirements
Scales easily across buildings and campuses with minimal infrastructure
Provides actionable analytics for usage trends and capacity planning
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LoRaWAN Gateways
Connecting LoRaWAN Sensor Data with People and Building Management Systems – We Distribute Milesight, Wattsense and Veea
LoRaWAN Sensors & Devices by Application
Measure Everything: LoRaWAN’s Long Range Wide Area Network Puts Limitless Data Use Cases in Your Control
LoRaWAN Sensors & Devices by Brand
Measure Everything: LoRaWAN’s Long Range Wide Area Network Puts Limitless Data Use Cases in Your Control
LoRaWAN Site Survey Test Kit
A Site Survey should be the First Step in every LoRaWAN project
Our specially designed LoRaWAN Survey Kit allows you to test suitability of LoRaWAN solutions at any site you visit with fast, accurate readings and data insights. Now available in Compact Backpack for convenience.

LoRaWAN Integration Training and Project Consultancy

LoRaWAN 1-Day Training in Niagara 4/BMS Deployment
1-Day Masterclass for LoRaWAN System Integrators
Enhance your LoRaWAN knowledge in key areas of the solution, and gather understanding step by step by exploring the different integration options into a Tridium Niagara 4 or other BMS.
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