lorawan® Sound Level Sensor CoWork Series WS302

WS302 Sound Level Sensor – lorawan®-Enabled Noise Monitoring with A & C Weighting

The Milesight WS302 is a compact, high-precision lorawan® sound level sensor that provides real-time monitoring of environmental noise levels. Designed for applications in smart buildings, healthcare, schools, and urban environments, it offers both A-weighting and C-weighting options for a wide range of use cases. With fast and equivalent noise value modes (SPL Actual, Leq, Lmax), the WS302 helps organizations detect, report, and manage sound pollution efficiently. Its long battery life, NFC configuration, and built-in threshold alarms make it an ideal solution for modern noise-aware spaces.

Key Features

• Measures noise from 30 to 120 dBA and 35 to 120 dBC
• Supports A and C frequency weighting and fast time weighting
• Accurate within ±3 dB from 0°C to +45°C
• Measurement values: SPL Actual, Equivalent Continuous Level (Leq), and Maximum (Lmax)
• Configurable threshold alarms with built-in LED indicator
• Long-range wireless transmission via lorawan®
• Internal antenna, compact form factor, and discreet design
• Up to 5 years battery life (fast weighting disabled)
• Simple NFC configuration via mobile app
• Fully compatible with Milesight IoT Cloud and lorawan® gateways

Technical Specifications

Ideal Applications

• Smart Buildings & Office Acoustics
• Classroom Noise Monitoring
• Healthcare and Recovery Spaces
• Smart Cities & Public Spaces
• Noise Compliance in Industrial Facilities

Listen Smarter. Measure Cleaner. Automate with Precision.

The WS302 brings intelligent sound monitoring to your lorawan® infrastructure—helping you stay compliant, improve comfort, and reduce acoustic risks. Available now from TerraQ Technologies across the MEA region.