Milesight LoRaWAN AU915/AS923 Indoor Sound Level IoT Sensor

Milesight LoRaWAN AU915/AS923 Indoor Sound Level IoT Sensor The Milesight WS302 is a AU915/AS923 LoRa sound level IoT sensor with an integrated microphone. The WS302 doesn't just measure a wide range of noise levels and send various kinds of noise level values via LoRaWAN, but it also supports multiple weighting measurements for different application scenarios.... Features supports multiple weighting measurements to suit different scenes: A weighting, C weighting, fast weighting supports 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 More than 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 Details Manufacturer's Code WS302-915M Frequency AU915/AS923 Sensitivity - Mode OTAA/ABP Class A Measurement 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 Configuration NFC Button 1 × Power/Reset Button LED 1 × Status/Alarm Indicator Power Supply 2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries Operating Temperature - 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 screws or 3M tapes Details Contains Noise sensor, Mounting screws, 3M mounting Tape, Warranty card Key features 137 dBm @300bps 20°C to +60°C It is compliant with Milesight LoRaWAN gateways, Milesight IoT Cloud and Scopious IoT