Milesight WS302 LoRaWAN Sound Level Sensor
Milesight WS302 LoRaWAN Sound Level Sensor - Image 2
Milesight WS302 LoRaWAN Sound Level Sensor - Image 3

Milesight WS302 LoRaWAN Sound Level Sensor

The Milesight WS302 LoRaWAN Sound Level Sensor is a high-precision, wireless device designed to monitor ambient noise levels in various environments. Utilizing LoRaWAN 1.0.3 Class A communication, it offers long-range connectivity with minimal power consumption. The sensor features an integrated microphone capable of measuring sound levels across a wide frequency range, providing real-time data transmission over long distances.

Ideal for applications in smart buildings, cities, schools, and health monitoring systems, the WS302 offers a wide measurement range from 30 to 120 dBA with an accuracy of ±3 dB and a resolution of 0.1 dB. It supports multiple weighting options, including A-weighting and C-weighting, and includes a fast-time weighting mode for measuring fluctuating noise levels. The sensor also features NFC configuration for easy setup and boasts a long battery life of up to 1.5 to 4 years, ensuring minimal maintenance.

Overview

The Milesight WS302 LoRaWAN Sound Level Sensor is a high-precision, wireless device designed to continuously monitor ambient noise levels in indoor and outdoor environments. Leveraging LoRaWAN 1.0.3 Class A communication, it provides reliable long-range data transmission with ultra-low power consumption, making it suitable for battery-powered deployments lasting multiple years. The WS302 integrates a high-sensitivity microphone capable of detecting sound levels across a wide frequency spectrum, allowing it to capture subtle acoustic changes as well as high-intensity noise. This data is transmitted in real time to LoRaWAN gateways and IoT platforms, supporting analytics, alerts, and automated responses.

Engineered for long-term deployment, the WS302 is ideal for applications ranging from smart buildings and cities to educational facilities, healthcare environments, and office spaces. Its compact, wireless design simplifies installation, while its durability ensures accurate measurements in a variety of conditions. The sensor supports multiple acoustic measurement units and weighting options, providing detailed insight into environmental noise levels for regulatory compliance, comfort optimization, and health and safety monitoring.

Key Features

  • LoRaWAN 1.0.3 Class A Compliance: Secure, long-range communication with minimal power usage, suitable for multi-year battery operation.

  • Multiple Frequency Bands: Compatible with CN470, IN865, RU864, EU868, US915, AU915, KR920, and AS923, allowing global deployment.

  • Ultra-Low Power Consumption: Optimized for extended operation with minimal maintenance.

  • Wide Measurement Range: Measures sound levels from 30 to 120 dBA, suitable for quiet environments and high-noise areas.

  • High Accuracy: ±3 dB accuracy with a 0.1 dB resolution ensures precise noise monitoring.

  • Multiple Weighting Options: Supports A-weighting and C-weighting for frequency-adjusted measurements.

  • Fast-Time Weighting: Captures rapidly fluctuating sound events for accurate real-time monitoring.

  • Multiple Measurement Units: Provides Sound Pressure Level (SPL), Equivalent Continuous Level (Leq), and Maximum Sound Level (Lmax).

  • NFC Configuration: Enables quick, wire-free setup and parameter adjustments via NFC-enabled mobile devices.

  • Long Battery Life: Operates for 1.5 to 4 years on a single battery, depending on reporting interval and usage, reducing maintenance.

  • Wireless and Compact Design: Supports flexible installation in classrooms, offices, streets, parks, or industrial sites.

Applications

  • Smart Buildings: Monitor and control noise to enhance occupant comfort and productivity.

  • Smart Cities: Implement noise pollution control strategies, regulatory compliance, and urban planning.

  • Schools and Universities: Maintain a conducive learning environment by monitoring classroom and campus noise.

  • Hospitals and Healthcare Facilities: Ensure quiet spaces for patients and staff, supporting recovery and health outcomes.

  • Offices and Workspaces: Optimize acoustic conditions, reduce distractions, and improve employee focus.

  • Industrial Sites and Factories: Monitor machinery and workplace noise levels for safety compliance and worker protection.

  • Public Spaces: Track environmental noise trends in parks, streets, and other communal areas for data-driven urban planning.

The Milesight WS302 combines high accuracy, flexible deployment, and long-term battery operation, making it an essential tool for organizations and municipalities seeking reliable noise monitoring, acoustic compliance, and environmental management.

More Specs: https://www.milesight.com/iot/product/lorawan-sensor/ws302

Weight 1 kg
Dimensions 10.5 × 11 × 11 cm

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