["The Dragino LDS03A is a LoRaWAN open/close door sensor. It detects the opening/closing status of the door and connects to the IoT server via the LoRaWAN network. The user can see the door status, opening duration and number of openings on the IoT server. The LDS03A is powered by an 8500mAh Li-SOCI2 battery. It can be used for up to 10 years. The LDS03A sends data periodically every 2 hours and every time the door is opened/closed. It also counts the door opening times and calculates the last door opening time. Users can also disable the uplink for each open/close event, instead the LDS03A can count each open event and send the uplink periodically. The LDS03A has a datalog function that records the opening/closing event, and the user can get the history via LoRaWAN. The LDS03A has an opening alarm function. The user can set this feature so that the device sends an alarm when the door has been opened for a certain time. LDS03A is designed for outdoor use. It has a weatherproof housing and an industrial-grade battery for low to high temperature operation. Each LDS03A is pre-installed with a set of unique keys for LoRaWAN registration. LoRaWAN server and connects automatically after switching on", "LoRaWAN v1.0.3 Class A protocol", "Frequency bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864", "Detect door open/close", "Door opening/closing statistics", "8500mAh industrial battery (non-rechargeable)", "AT commands to change parameters", "Uplink on periodic and open/close events", "Datalog function", "Remote configuration of parameters via LoRa downlink", "Firmware upgrade possible via program port", "Wall mounting possible", "Outdoor use", "Wireless alarm and security systems", "House and building automation", "Industrial monitoring and control", "1 x DRAGINO LDS03A door contact sensor"]