Milesight WS302 LoRaWAN® Sound Level Sensor (EU868)

Milesight WS302 LoRaWAN® Sound Level Sensor (EU868)

• Accurate Sound Level Measurement
• LED Alarm Indicator
• 1.5~4 Years Battery Life
• Easy Configuration via NFC

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€61,00 €67,00
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Product Description

The Milesight WS302 Sound Level Sensor is an advanced LoRaWAN®-enabled device designed to monitor and measure sound levels in a variety of environments. This sensor is an ideal solution for creating peaceful surroundings in spaces such as classrooms, hospitals, hotels, libraries, and offices. By measuring sound levels, the WS302 helps in managing and reducing noise pollution, enhancing the comfort and productivity of these environments.

The WS302 is capable of measuring sound levels from 30 to 120 dBA with an accuracy of ±3 dB and a resolution of 0.1 dB. It offers both A-weighting and C-weighting options, allowing for appropriate sound measurement in different settings - A-weighting for quieter environments and C-weighting for noisier ones. Additionally, it features fast-time weighting with a time constant of 125 milliseconds, suitable for measuring unstable noise with large fluctuations.

This sensor stands out for its long battery life, offering over 4 years of service without needing a battery replacement. It also supports NFC for easy configuration and is compliant with standard LoRaWAN® gateways and network servers, ensuring high compatibility and easy integration into existing networks.

The WS302's minimalistic and modern design allows it to blend seamlessly into any interior, providing an unobtrusive yet effective solution for sound level monitoring. It also integrates with the Milesight IoT Cloud for data visualization and management, supporting Android and iOS apps for convenient device management.

Product Features

  • Accurate Sound Level Measurement: Measures sound levels from 30 to 120 dBA with an accuracy of ±3 dB and a resolution of 0.1 dB.
  • A & C Weighting Options: Tailors sound measurement to the environment's noise level.
  • Fast-Time Weighting: Ideal for measuring fluctuating noise levels.
  • Long Battery Life: Over 4 years of service life without the need for battery replacement.
  • NFC Configuration: Simplifies the setup and configuration process.
  • LoRaWAN® Based: Ensures long-range data transmission and high compatibility with standard gateways and servers.
  • Minimalistic Design: Blends into various interior settings unobtrusively.
  • Cloud Data Management: Integrates with the Milesight IoT Cloud for effective data visualization and management.
  • LED Alarm Indicator: Provides visual alerts based on sound level thresholds.
  • Flexible Installation Options: Can be installed using screws or double-sided tape.

The Milesight WS302 Sound Level Sensor is an essential tool for maintaining a comfortable and productive environment in various indoor settings, offering a blend of accuracy, ease of use, and aesthetic integration.

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Wireless Transmission
Technology 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 -137 dBm @300bps
Mode OTAA/ABP Class A
Range 30 dBA to 120 dBA, 35 dBC to 120 dBC
Accuracy ± 3 dB (0°C to +45°C)
Resolution 0.1 dB
Frequency Range 30 Hz to 8 kHz
Frequency Weighting A and C Weighting (Software Switchable)
Time Weighting Fast Weighting
Measurement Unit SPL Actual, Leq, Lmax
Configuration NFC
Button 1 × Power/Reset Button
LED 1 × Status/Alarm Indicator
Physical Characteristics
Power Supply 2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
Operating Temperature -20°C to +60°C
Relative Humidity ≤95% (Non-condensing)
Ingress Protection IP30
Dimension 68 × 65 × 20.5 mm (2.68 × 2.56 × 0.81 in)
Material & Color PC+ABS, White
Installation On the flat surfaces with screws or 3M tapes

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