Uplink Data

This chapter describes the reported data of the device.

Item Channel Type Byte Description
Power On ff 0b 1 Device is on
Protocol Version ff 01 1 Example: 01=V1
Hardware Version ff 09 2 Example: 03 10 = V3.1
Software Version ff 0a 2 Example: 03 01 = V3.1
Device Type ff 0f 1

00: Class A, 01: Class B, 02: Class C, 03: Class C to B
Serial Number ff 16 8 16 digits
Measuring Range ff 1b 5 1a+Max. Range (2B) + Min. Range (2B)
Battery Level 01 75 1 UINT8, Unit: %
Temperature 03 67 2 INT16/10, Unit: °C
Temperature Mutation Alarm 83 d7 5 Byte 1-2: Temperature, INT16/10, Unit: °C

Byte 3-4: Mutation Temperature, INT16/10, Unit: °C

Byte 5: 02
Historical Data 20 ce 6 Byte 1-4: Data unix timestamp, UINT32, Unit: s

Byte 5-6: Temperature, INT16/10, Unit: °C
Note:
  • When the device fails to collect the sensor data, it will report the value as all ffff;
  • When the device collects sensor data outside the measuring range, it will report the value as fffd.

Basic Information

The device will report a basic information packet whenever joining the network.

Example:
ff0bff ff0101 ff166136c40091605408 ff090200 ff0a0101 ff0f00
Channel Type Value
ff 0b Power on: ff
ff 01 Protocol version: 01=V1
ff 16 SN: 6136c40091605408
ff 09 Hardware version: 0200=V2.0
ff 0a Software version: 0101=V1.1
ff 0f 00: Class A

Periodic Report

The device supports to report below types of periodic report packets.

  1. Sensor data: report according to reporting interval.
    03671001
    Channel Type Value
    03 67 Temperature: 1001=> 0110 = 272/10=27.2°C
  2. Battery level: report when the device joins the network or every 24 hours.
    017564
    Channel Type Value
    01 75 Battery: 64=>100%

Alarm Report

The device supports to report below types of alarm report packets.
  1. Threshold alarm or alarm dismiss
    03671001
    Channel Type Value
    03 67 Temperature: 1001=> 0110 = 272/10=27.2°C
  2. Temperature mutation alarm
    83d722010c0002
    Channel Type Value
    83 d7

    Temperature: 22 01 => 01 22 => 290/10 = 29°C

    Mutation Value: 0c 00 => 00 0c => 12/10=1.2°C

    02 = Mutation Alarm
  3. Low battery level alarm: report when battery level is below to 1%.
    017501
    Channel Type Value
    01 75 Battery: 01=>1%

Historical Data

The device will report retransmission data or stored data as below example.

20ce 0d755b63 0101
Channel Type Time Stamp Value
20 ce 0d 75 5b 63 => 63 5b 75 0d=1666938125s

01 01=>01 01=257/10=25.7°C