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it is crucial to know whether they are far enough away from each other and if the area that should be covered by the gateways is within range at any location
SW3L supports BLE configure and OTA update which make user easy to use
and Snow Level with varying detection range
non-condensing Power Consumption Standby 115~210mA@12VDC Communication 121~280mA@12VDC Scheduled Shutdown 2mA@12VDC Anti-interference Type Level Voltage/Current Waveform Value Power Frequency Magnetic Field 3 Continuous sine wave 30A/m Damped Oscillatory Magnetic Field 3 Continuous sine wave 30A/m Pulse Magnetic Field 3 Pulse 100A/m Radiated Electromagnetic Field 3 80MHz~1000MHz Continuous-wave 10V/m Level 3
S31 NB-IoT LTE CAT-M Temperature Humidity Sensor Power Option:Includes with Replaceable 19000mAh Battery it is crucial to knowS31 NB IoT LTE CAT M Temperature Humidity Sensor The Dragino S31 is an NB IoT and LTE CAT M Temperature and Humidity Sensor for Internet of Things solutions. It is used to measure the surrounding environment temperature and relative air humidity precisely, and then upload to the IoT server cloud via NB IoT and LTE CAT M network. The temperature & humidity sensor used in S31 is SHT31, which is fully calibrated, linearized, and temperature compensated
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