Milesight WS201 LoRaWAN® Smart Fill Level Monitoring Sensor (EU868)

Milesight WS201 LoRaWAN® Smart Fill Level Monitoring Sensor (EU868)

• Suitable for Diverse Toilet Paper Dispenser
• Accurate Fill Level Monitoring with ToF Technology
• Up to 2 Years Battery Life with One Coin Cell Battery
• Wireless Deployment and Easy Maintenance

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€68,00 €73,00
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The Milesight WS201 is a Smart Fill Level Monitoring Sensor that utilizes advanced Time of Flight (ToF) technology for accurate and reliable monitoring of container fill levels. This sensor is particularly effective for diverse applications, such as monitoring toilet paper dispensers in smart restrooms. By leveraging LoRaWAN® technology, the WS201 enables users to remotely monitor and manage container fill levels and statuses in real-time, ensuring efficient maintenance and refilling.

Key Features of the WS201 include:

  1. ToF Technology: Uses Time of Flight technology for precise distance measurement, ensuring accurate detection of fill levels.
  2. Long Battery Life: Powered by a long-lasting coin cell battery that can last up to 2 years, reducing the need for frequent battery replacements.
  3. Wireless Deployment: Offers easy maintenance and installation due to its wireless nature.
  4. Ultra Low Power Consumption: Ensures uninterrupted usage and eliminates frequent battery changes.
  5. LoRaWAN® Based: Supports data transmission over long distances, up to 2 km in urban areas and 15 km in rural areas, and is compliant with standard LoRaWAN® gateways and network servers.
  6. NFC Configuration: Enables wireless device configuration and management via NFC technology.
  7. Flexible Deployment: Can be easily mounted on flat surfaces using 3M tapes.
  8. Smart Restroom Solution Compatibility: Integrates seamlessly with the Milesight Smart Restroom Solution for enhanced building management.

The WS201 is a part of the Milesight IoT LoRaWAN® Series and is a smart solution for efficient restroom management and other container level monitoring applications, offering a blend of precision, ease of use, and energy efficiency​.

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Wireless Transmission
Protocol LoRaWAN®
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -132dBm@300bps
Mode OTAA/ABP Class A
Distance Measurement
ToF FoV 25 °
FoV Accuracy ± 5 °
Detection Range 1 ~ 55 cm
Detection Accuracy ± 1cm
Detection Resolution ①1mm (1.0≤X≤15.0cm)
②2mm (15.0<X≤35.0cm)
③3mm (35.0<X≤55.0cm)
X = Detection Distance
Button 1 × Reset Button (Internal)
LED Indicator 1 × Indicator (Internal)
Configuration Mobile App (via NFC)
Physical Characteristics
Power Supply 1 × 590mAh CR2450 Lithium Battery
Battery Life 2 Years
Operating Temperature -10°C ~ +60°C
Relative Humidity 0 ~ 95% (Non-condensing)
Color & Material White, ABS + PC (Flame Retardant)
Ingress Protection IP30
Dimension 66 × 38 × 12 mm (2.60 × 1.50 × 0.47 in)
Installation On the flat surfaces with 3M tapes
Warranty 2 Years

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

General Return Policy

We have a 30-day return policy, which means you have 30 days
after receiving your item to request a return.

To be eligible for a return, your item must be in the same
condition that you received it, unworn or unused, with tags, and in its
original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If
your return is accepted, we’ll send you a return shipping label, as well as
instructions on how and where to send your package. Items sent back to us
without first requesting a return will not be accepted.

For any further information, help and support regarding the
shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +357 22 282828