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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
-40°C ～ +85°C
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
By using electronic bricks
Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms
SW3L supports BLE configure and OTA update which make user easy to use
S31 NB-IoT LTE CAT-M Temperature Humidity Sensor Power Option:Includes with Replaceable 19000mAh Battery -40°C ～ +85°CS31 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