CONTENT
1 About this Manual .................................................................................. 3
2 Product Introduction .............................................................................. 3
2.1Overview.................................................................................................................................3
2.2Application..............................................................................................................................3
2.3Product Specifications............................................................................................................3
2.3.1 Appearance.................................................................................................................3
2.3.2 Mechanical Size...........................................................................................................3
2.3.3 LED Indicators and Button ..........................................................................................4
3 Device Feature and Function .................................................................. 6
3.1 Introduction to Device Application........................................................................................6
3.1.1 Contact Tracing ...........................................................................................................6
3.1.2 Social Distance Alarm..................................................................................................7
3.1.3 Gather Warning...........................................................................................................8
3.1.4 SOS Alarm....................................................................................................................9
3.2 Bluetooth Capabilities..........................................................................................................10
3.2.1 Bluetooth Advertise ..................................................................................................10
3.2.2 Bluetooth Scan..........................................................................................................12
3.3 LoRaWAN Capabilities..........................................................................................................14
3.4 3-Axis Accelerometer Capabilities .......................................................................................15
3.4 Device Status Indication.......................................................................................................15
3.5 Device Information Upload..................................................................................................15
3.6 Battery Performance............................................................................................................15
3.7 Time Synchronization...........................................................................................................15
3.8 Configuration Tool ...............................................................................................................16
4 Uplink Payload ...................................................................................... 16
4.1 Device Information Payload.................................................................................................16
4.2 Contact Tracing Payload.......................................................................................................17
4.3 Distance Alarm Payload .......................................................................................................18
4.4 SOS Alarm Payload...............................................................................................................20
4.5 3-Axis Payload ......................................................................................................................22
5 Maintenance instruction....................................................................... 23
6 Revision History .................................................................................... 24
