The Milesight WS302 LoRaWAN Sound Level Sensor is an advanced device designed to monitor environmental noise levels accurately. Utilizing the LoRaWAN® protocol, it ensures seamless integration into IoT networks, making it ideal for applications in smart buildings, cities, schools, and health monitoring environments.
Product Features
- Measurement Range: 30 to 120 dBA
- Accuracy: ±3 dB (0°C to +45°C)
- Resolution: 0.1 dB
- Frequency Range: 30 Hz to 8 kHz
- Weighting Options: A and C weighting (software switchable)
- Time Weighting: Fast weighting
- Measurement Units: SPL Actual, Leq, Lmax
- Communication: LoRaWAN® protocol
- Configuration: NFC-enabled for easy setup
- Battery Life: Over 4 years (with fast time weighting disabled)
- Operating Temperature: -20°C to +60°C
- Installation: Mountable on flat surfaces with screws or 3M tapes
Product Downloads
| Feature | Specification |
| Model | WS302 |
| Communication | LoRaWAN® Protocol |
| Measurement Range | 30 to 120 dBA |
| 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 Units | SPL Actual, Leq, Lmax |
| Configuration | NFC |
| Power Supply | 2 × 2700 mAh ER14505 Li-SOCl₂ Replaceable Batteries |
| Battery Life | Over 4 Years (Fast time weighting disabled) |
| Operating Temperature | -20°C to +60°C |
| Relative Humidity | ≤95% (Non-condensing) |
| Ingress Protection | IP30 |
| Dimensions | 68 × 65 × 20.5 mm |
| Material & Color | PC+ABS, White |
| Installation | On flat surfaces with screws or 3M tapes |
Shipping Policy
We provide worldwide shipping using only tracked shipping services. Currently all our international shipments are performed by TNT Express and FedEx. Local shipments to Greece are performed either directly from us or using local shipping couriers (i.e. ELTA Courier).
We ship products within 1-3 days after the order is placed. You will be notified by email when your order is dispatched and you will receive the relevant shipment tracking number which you can use to track your shipment.
Shipment Tracking
You can use the following links to track your order using the provided tracking number in the case of international orders.
Orders shipped with TNT Express: TNT Tracking
Orders shipped with FedEx: FedEX Tracking
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 info@invibit.com. 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: info@invibit.com
Telephone: +30 210 421 2380