Milesight WS302 LoRaWAN® Sound Level Sensor - 868Mhz

Milesight WS302 is a LoRa sound level sensor with integrated microphone. WS302 can not only measure a wide range of noise levels and send various kinds of noise level values via LoRaWAN® network, but also supports multiple weighting measurements for different application scenarios. Compliant with Milesight LoRaWAN®gateway and Milesight IoT Cloud solution, users can manage all sensor data and trigger other sensors or appliances easily via webpage or mobile App remotely.

WS302 can bewidely used in smart buildings, smart cities, schools, heath monitoring, etc.

FEATURES:
    Support multiple weighting measurements to suit different scenes: A weighting, C weighting, fast weighting
    Support measuring various kinds of values to judge the sound level accurately: actual value, equivalent continuous value and max value
    Equipped with an LED indicator to indicate threshold alarms
    Morethan 4 years battery life
    Built-in NFC for easy configuration
    Compliant with standard LoRaWAN® gateways and network servers
    Quick and easy management with Milesight IoT Cloud solution
    Tx Power     16dBm(868)/20dBm(915)/19dBm(470)
    Sensitivity     -137dBm @300bps
    Mode     OTAA/ABP Class A

Measurement 
    Range     30 dBA to 120 dBA, 35 dBC to 120 dBC
    Resolution     0.1 dB
    Accuracy     ±3 dB (0°C to +45°C)
    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

Physical Characteristics
    Power Supply     2×2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
    Operating Temperature     -20°C to +60°C
    Ingress Protection     IP30
    Dimension     68 × 65 × 20.5 mm (2.68 × 2.56 × 0.81 in)
    Mounting     On the flat surface swith screws or 3M tapes