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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 WS201 Fill Level Monitoring LoRaWAN Sensor
- Suitable for Diverse Toiler Paper Dispensers
- Accurate Fill Level Monitoring with ToF Technology
- Up to 2 Years Battery
Product Description & Topology
The Milesight WS201 is a wireless fill-level monitoring sensor that securely monitors a small container’s fill level especially tissue boxes. Equip with the ToF technology with a high-focusing detecting range, WS201 is best suited for close-range sensing applications with great accuracy. Its ultra-low power consumption and standby mode ensure a durable battery life. With a special structure design and damp-proof coating, WS201 can work stably in the metal environment and multiple scenarios. Built-in NFC makes it more operable and easy to configure. Compatible with Milesight LoRaWAN® gateway, and Milesight Development Platform, users can know the containers’ status and fill level in real-time and manage them effectively and remotely. WS201 can be widely used for airport, hotel, shopping malls, scenic spot, etc.
Features
- High-focusing detection ranges from 1 to 55 cm with great accuracy based on Time-of-Flight technology
- Non-contact detection with wireless deployment
- Allow reporting the remaining amount by percentage with pre-set alarm thresholds
- Ultra-low power consumption with standby mode, ensuring a durable battery life
- Easy to install with its ultra-compact size and equip with NFC configuration
- Highly adaptive to most tissue boxes with a stable signal
- Damp-proof coating inside the device to ensure it works well in various conditions of bathrooms and other scenarios
- Function well with standard LoRaWAN® gateways and network servers
- Compliant with Milesight IoT Cloud and Milesight Development Platform
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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