Payload Format

Uplink Packet Parsing

The Tracker data protocol provides different packets to correspond to different information, and the number of bytes of each packet may vary. The structure of the frame is shown in the image below. The frame content is sent in big-endian byte order.

Data ID	Data Value
1 byte	50 bytes (Max)

Data ID: Function number. Data Value: Position, sensor data an d other information.

Device Status Packet -Event Mode 0x01

The Device Status Packet is uploaded when join LoRaWAN network. The Device Status packet has two packet formats in different working modes:

1) Event Mode, ID=0x01

1) Periodic Mode, ID= 0x02

Device Status Packet -Event Mode: 0x01

0x01	Byte2	Byte3~4	Byte5~6	Byte7	Byte8	Byte9~10	Byte11~12
ID	Battery level	Software version	Hardware version	Work mode	Positioning strategy	Heartbeat interval	Uplink interval

Byte13~14	Byte15	Byte16	Byte17	Byte18~19	Byte20~21
Event mode uplink interval	Temp&light switch	SOS mode	Enable motion event	3-axis motion threshold	Motion start interval

Byte22	Byte23~24	Byte25	Byte26~27	Byte28	Byte29~30
Enable motionless event	Motionless timeout	Enable shock event	3-axis shock threshold	Enable temperature event	Temperature event uplink interval

Byte31~32	Byte33~34	Byte35~36	Byte37	Byte38	Byte39~40
Temperature sample interval	Temperature threshold max	Temperature threshold min	Temperature warning type	Enable light event	Light event uplink interval

Byte41~42	Byte43~44	Byte45~46	Byte47
Light sample interval	Light threshold max	Light threshold min	Light warning type

The raw payload:

0153010501050207001e00050005010000001e000500016801012c000005001e025800000000000500010064000000

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	01	01 is the packet ID.
2	Battery level	uint8	53	53 is 0x53 = 83(DEC) The battery level is 83%
3~4	Software version	uint16	0105	0105 is 0x0105 == v1.5 The software version is v1.5
5~6	Hardware version	uint16	0105	0105 is 0x0105 == v1.5 The hardware version is v1.5
7	Work mode	uint8	02	02 is 0x02, means the device use “Event mode”. 00: Standby mode 01: Periodic mode 02: Event mode
8	Positioning strategy	uint8	07	07 is 0x07, means the device use Bluetooth + Wi-Fi + GNSS positioning strategy. 00: Only GNSS 01: Only Wi-Fi 02: Wi-Fi+GNSS 03: GNSS + Wi-Fi 04: Only Bluetooth 05: Bluetooth + Wi-Fi 06: Bluetooth + GNSS 07: Bluetooth + Wi-Fi + GNSS
9~10	Heartbeat interval	uint16	001e	001e is 0x001E = 30(DEC), the heartbeat interval is 30 minutes.
11~12	Uplink Interval	uint16	0005	0005 is 0x0005 = 5(DEC), the uplink interval is 5 minutes.
13~14	Event mode uplink interval	uint16	0005	0005 is 0x0005 = 5(DEC), the event mode uplink interval is 5 minutes.
15	Temp&light switch	uint8	01	01 means open the temperature and light sensor. 00: Close the temperature and light sensor. 01: Open the temperature and light sensor.
16	SOS mode	uint8	00	00 means use SOS single mode. 00: use SOS single mode. 01: use SOS continuous mode.
17	Enable motion event	uint8	00	00 means disable Event mode. 00: disable Event mode. 01: enable Event mode.
18~19	3-Axis motion threshold	uint16	001e	001e is 0x001E=30(DEC) mg When the acceleration exceeds 30mg, determine that the device is in motion, when it is 2 minutes below this value, determine that the device is in motionless.
20~21	Motion start interval	uint16	0005	0005 is 0x0005 = 5(DEC), when device is on motion, the interval is 5 minutes.
22	Enable motionless event	uint8	00	00 means disable motionless event. 00: disable motionless event. 01: enable motionless event.
23~24	Motionless timeout	uint16	0168	0168 is 0x0168 = 360(DEC), when the device is stationary in a location for more than 360 minutes, a motionless timeout event is triggered.
25	Enable shock event	uint8	01	01 means enable shock event. 00: disable shock event. 01: enable shock event.
26~27	3-Axis shock threshold	uint16	012c	012c is 0x012C=300(DEC) mg When the acceleration exceeds 300mg, the shock event is triggered.
28	Enable temperature event	uint8	00	00 means enable shock event. 00: disable shock event. 01: enable shock event.
29~30	Temperature event uplink interval	uint16	0005	0005 is 0x0005 = 5(DEC), when the temperature exceeds the threshold, the location and sensor data will upload every 5 minutes.
31~32	Temperature sample interval	uint16	001e	001e is 0x001E=30(DEC) seconds The temperature is detected every 30 seconds. When the threshold is triggered, upload location and sensor data.
33~34	Temperature threshold max	int16	0258	0258 is 0x0258 = 600(DEC), Maximum threshold =600/10=60.0 ℃
35~36	Temperature threshold min	int16	0000	0000 is 0x0000 = 0(DEC), Minimum threshold=0/10=0.0 ℃
37	Temperature threshold rule	uint8	00	00 means when temperature ≤ min threshold, device will upload location and temperature event. 00: temp ≤ min threshold 01: temp ≥ max threshold 02: temp ≤ min threshold and temp ≥ max threshold 03: min threshold≤ temp ≤max threshold
38	Enable light event	uint8	00	00 means disable light event. 00: disable light event. 01: enable light event.
39~40	Light event uplink interval	uint16	0005	0005 is 0x0005 = 5(DEC), when the light exceeds the threshold, the location and sensor data will upload every 5 minutes.
41~42	Light sample interval	uint16	0001	0001is 0x0001=1(DEC) seconds The temperature is detected every 1 seconds. When the threshold is triggered, upload location and sensor data.
43~44	Light threshold max	uint16	0064	0064 is 0x0064 = 100(DEC) % Maximum threshold =100%
45~46	Light threshold min	uint16	0000	0000 is 0x0000 = 0(DEC) % Minimum threshold=0%
47	Light warning type	uint8	00	00 means when light ≤ min threshold, device will upload location and light event. 00: light ≤ min threshold 01: light ≥ max threshold 02: light ≤ min threshold and light ≥ max threshold 03: min threshold≤ light ≤max threshold

1. Device Status Packet -Periodic Mode 0x02

   The Device Status package is uploaded when join LoRaWAN network. The Device Status packet has two packet formats in different working modes:

1) Event Mode, ID=0x01

1) Periodic Mode, ID= 0x02

Device Status Packet -Periodic Mode: 0x02

0x02	Byte2	Byte3~4	Byte5~6	Byte7	Byte8	Byte9~10	Byte11~12
ID	battery level	software version	hardware version	work mode	positioning strategy	heartbeat interval	uplink Interval

Byte13~14	Byte15	Byte16
event mode uplink interval	temp&light switch	SOS mode

The raw payload:

025601050105010002d0003c003c0000

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	02	02 is the packet ID.
2	Battery level	uint8	56	56 is 0x56 = 86(DEC) The battery level is 86%
3~4	Software version	uint16	0105	0105 is 0x0105 == v1.5 The software version is v1.5
5~6	Hardware version	uint16	0105	0105 is 0x0105 == v1.5 The hardware version is v1.5
7	Work mode	uint8	01	01 is 0x01, means the device use “Periodic mode”. 00: Standby mode 01: Periodic mode 02: Event mode
8	Positioning strategy	uint8	00	00 is 0x01, means the device use “GNSS only” positioning strategy. 00: Only GNSS 01: Only Wi-Fi 02: Wi-Fi+GNSS 03: GNSS + Wi-Fi 04: Only Bluetooth 05: Bluetooth + Wi-Fi 06: Bluetooth + GNSS 07: Bluetooth + Wi-Fi + GNSS
9~10	Heartbeat interval	uint16	02d0	02d0 is 0x02D0 = 720(DEC) minutes, the heartbeat interval is 720 minutes.
11~12	Uplink Interval	uint16	003c	003c is 0x003C = 60(DEC) minutes, the uplink interval is 60 minutes.
13~14	Event mode uplink interval	uint16	003c	003c is 0x003C = 60(DEC), the event mode uplink interval is 60 minutes.
15	Temp&light switch	uint8	00	00 means open the temperature and light sensor. 00: Close the temperature and light sensor. 01: Open the temperature and light sensor.
16	SOS mode	uint8	00	00 means use SOS single mode. 00: use SOS single mode. 01: use SOS continuous mode.

Heartbeat Packet -0x05

When no data is uploaded by the device within the heartbeat interval, a heartbeat packet will be triggered. This packet only contains battery information.

0x05	Byte2	Byte3	Byte4	Byte5
ID	battery level	work mode	positioning strategy	SOS mode

The raw payload:

0564010001

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	05	05 is the packet ID.
2	Battery level	uint8	64	64 is 0x64 = 100(DEC) The battery level is 100%
3	Work mode	uint8	01	01 is 0x01, means the device use “Periodic mode”. 00: Standby mode 01: Periodic mode 02: Event mode
4	Positioning strategy	uint8	00	00 is 0x01, means the device use “GNSS only” positioning strategy. 00: Only GNSS 01: Only Wi-Fi 02: Wi-Fi+GNSS 03: GNSS + Wi-Fi 04: Only Bluetooth 05: Bluetooth + Wi-Fi 06: Bluetooth + GNSS 07: Bluetooth + Wi-Fi + GNSS
5	SOS mode	uint8	00	00 means use SOS single mode. 00: use SOS single mode. 01: use SOS continuous mode.

GNSS Location and Sensor Packet-0x06

ID 0x06 is used to upload GNSS location, sensor data and battery.

0x06	Byte2~4	Byte5	Byte6~9	Byte10~13	Byte14~17
ID	event status	motion segment number	UTC time	longitude	latitude

Byte18~19	Byte20~21	Byte22
Temperature	Light	battery level

The raw payload:

06000008006462248d06ca502801587ec600fe000057

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	06	06 is the packet ID.
2~4	event status	uint24	000008	000008 is 0x000008, 0x0000XX is reserved and 0x08 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
5	Motion segment number	uint8	00	00 is 0x00 == 0. When the motion begins, the count increases by 1. Record that this is a movement.
6~9	UTC time	uint32	6462248d	6462248d is 0x6462248D = 1684153485(DEC) seconds. Convert it to Beijing Time: 2023-05-15 20:24:45
10~13	Longitude	int32	06ca5028	06ca5028 is 0x06CA5028 = 113922088(DEC), the longitude= 113922088/1000000=113.922088
14~17	Latitude	int32	01587ec6	01587ec6 is 0x01587EC6 = 22576838(DEC), the Latitude = 22576838/1000000=22.576838
18~19	Temperature	int16	00fe	00fe is 0x00FE = 254(DEC), temperature=254/10=25.4℃
20~21	Light	uint16	0000	0000 is 0x0000 = 0(DEC) minutes, the light=0=0%
22	Battery level	uint8	57	57 is 0x57 = 87(DEC) The battery level is 87%

1. Wi-Fi Location and Sensor Packet-0x07

   ID 0x07 is used to upload Wi-Fi Mac addresses, sensor data and battery.

0x07	Byte2~4	Byte5	Byte6~9	Byte10~15	Byte16
ID	event status	motion segment number	UTC time	MAC address 1	The RSSI of MAC address 1, int8

Byte17~22	Byte23	Byte24~29	Byte30	Byte31~36	Byte37
MAC address 2	The RSSI of MAC address 2, int8	MAC address 3	The RSSI of MAC address 3, int8	MAC address 4	The RSSI of MAC address 4, int8

Byte38~39	Byte40~41	Byte42
Temperature	Light	battery level

The raw payload:

070000080064622472487397162234bb3ccd5798fd2ebc74cf002f3ad0a9ec26ca022958b900fe000057

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	07	07 is the packet ID.
2~4	event status	uint24	000008	000008 is 0x000008, 0x0000XX is reserved and 0x08 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
5	Motion segment number	uint8	00	00 is 0x00 == 0. When the motion begins, the count increases by 1. Record that this is a movement.
6~9	UTC time	uint32	64622472	64622472 is 0x64622472 = 1684153458 (DEC) seconds. Convert it to Beijing Time: 2023-05-15 20:24:18
10~15	MAC address 1	----	487397162234	487397162234 the MAC address (HEX)= 48:73:97:16:22:34
16	The RSSI of MAC address 1	int8	bb	bb is 0xBB = -69(DEC), the type is int8 the RSSI = -69
17~22	MAC address 2	----	3ccd5798fd2e	3ccd5798fd2e the MAC address (HEX)= 3C:CD:57:98:FD:2E
23	The RSSI of MAC address 2	int8	bc	bc is 0xBC = -68(DEC), the type is int8 the RSSI = -68
24~29	MAC address 3	----	74cf002f3ad0	74cf002f3ad0 the MAC address (HEX)= 74:CF:00:2F:3A:D0
30	The RSSI of MAC address 3	int8	a9	a9 is 0xA9 = -87(DEC), the type is int8 the RSSI = -87
31~36	MAC address 4	----	ec26ca022958	ec26ca022958 the MAC address (HEX)= EC:26:CA:02:29:58
37	The RSSI of MAC address 4	int8	b9	b9 is 0xA9 = -71(DEC), the type is int8 the RSSI = -71
38~39	Temperature	int16	00fe	00fe is 0x00FE = 254(DEC), temperature=254/10=25.4℃
40~41	Light	uint16	0000	0000 is 0x0000 = 0(DEC) minutes, the light=0=0%
42	battery level	uint8	57	57 is 0x57 = 87(DEC) The battery level is 87%

Bluetooth Location and Sensor Packet-0x08

ID 0x08 is used to upload Bluetooth Beacon MAC addresses, sensor data and battery.

0x08	Byte2~4	Byte5	Byte6~9	Byte10~15	Byte16
ID	event status	motion segment number	UTC time	MAC address 1	The RSSI of MAC address 1, int8

Byte17~22	Byte23	Byte24~29	Byte30	Byte31~32	Byte33~34	Byte 35
MAC address 2	The RSSI of MAC address 2, int8	MAC address 3	The RSSI of MAC address 3, int8	Temperature	light	battery level

The raw payload:

0800000800646225bb5162d2c1b9d3ca1b5bd2afeae5c0d0e2d70529e8c900fa000057

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	08	08 is the packet ID.
2~4	event status	uint24	000008	000008 is 0x000008, 0x0000XX is reserved and 0x08 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
5	Motion segment number	uint8	00	00 is 0x00 == 0. When the motion begins, the count increases by 1. Record that this is a movement.
6~9	UTC time	uint32	646225bb	646225bb is 0x646225BB = 1684153787 (DEC) seconds. Convert it to Beijing Time: 2023-05-15 20:29:47
10~15	MAC address 1	-----	5162d2c1b9d3	5162d2c1b9d3 the MAC address (HEX)=51:62:D2:C1:B9:D3
16	The RSSI of MAC address 1	int8	c0	c0 is 0xC0 = -64(DEC), the type is int8 the RSSI = -64
17~22	MAC address 2	-----	1b5bd2afeae5	1b5bd2afeae5 the MAC address (HEX)= 1B:5B:D2:AF:EA:E5
23	The RSSI of MAC address 2	int8	bc	bc is 0xBC = -68(DEC), the type is int8 the RSSI = -68
24~29	MAC address 3	-----	d0e2d70529e8	d0e2d70529e8 the MAC address (HEX)= D0:E2:D7:05:29:E8
30	The RSSI of MAC address 3	int8	c9	c9 is 0xC9 = -55(DEC), the type is int8 the RSSI = -55
31~32	Temperature	int16	00fa	00fa is 0x00FA = 250(DEC), temperature=254/10=25.0℃
33~34	Light	uint16	0000	0000 is 0x0000 = 0(DEC) minutes, the light=0=0%
35	battery level	uint8	57	57 is 0x57 = 87(DEC) The battery level is 87%

GNSS Location Only Packet-0x09

When the sensor is turned off, the device does not upload the sensor measurement value. Only the location data is uploaded.

0x09	Byte2~4	Byte5	Byte6~9	Byte10~13	Byte14~17	Byte18
ID	event status	motion segment number	UTC time	longitude	latitude	battery level

The raw payload:

09000000006463186806ca506801587e4c56

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	09	09 is the packet ID.
2~4	event status	uint24	000000	000000 is 0x000008, 0x0000XX is reserved and 0x08 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
5	Motion segment number	uint8	00	00 is 0x00 == 0. When the motion begins, the count increases by 1. Record that this is a movement.
6~9	UTC time	uint32	64631868	64631868 is 0x64631868 = 1684215912 (DEC) seconds. Convert it to Beijing Time: 2023-05-16 13:45:12
10~13	Longitude	int32	06ca5068	06ca5068 is 0x06CA5068 = 113922152 (DEC), the longitude= 113922152/1000000=113.922152
14~17	Latitude	int32	01587e4c	01587e4c is 0x01587E4C = 22576716 (DEC), the Latitude = 22576716/1000000=22.576716
18	Battery level	uint8	56	56 is 0x56 = 86(DEC) The battery level is 86%

Wi-Fi Location Only Packet-0x0A

0x0A	Byte2~4	Byte5	Byte6~9	Byte10~15	Byte16
ID	event status	motion segment number	UTC time	MAC address 1	The RSSI of MAC address 1, int8

Byte17~22	Byte23	Byte24~29	Byte30	Byte31~36	Byte37	Byte38
MAC address 2	The RSSI of MAC address 2, int8	MAC address 3	The RSSI of MAC address 3, int8	MAC address 4	The RSSI of MAC address 4, int8	battery level

The raw payload:

0A0000080064622472487397162234bb3ccd5798fd2ebc74cf002f3ad0a9ec26ca022958b957

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	0A	0A is the packet ID.
2~4	event status	uint32	000008	000008 is 0x000008, 0x0000XX is reserved and 0x08 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
5	Motion segment number	uint8	00	00 is 0x00 == 0. When the motion begins, the count increases by 1. Record that this is a movement.
6~9	UTC time	uint32	64622472	64622472 is 0x64622472 = 1684153458 (DEC) seconds. Convert it to Beijing Time: 2023-05-15 20:24:18
10~15	MAC address 1	-----	487397162234	487397162234 the MAC address (HEX)= 48:73:97:16:22:34
16	The RSSI of MAC address 1	int8	bb	bb is 0xBB = -69(DEC), the type is int8 the RSSI = -69
17~22	MAC address 2	-----	3ccd5798fd2e	3ccd5798fd2e the MAC address (HEX)= 3C:CD:57:98:FD:2E
23	The RSSI of MAC address 2	int8	bc	bc is 0xBC = -68(DEC), the type is int8 the RSSI = -68
24~29	MAC address 3	-----	74cf002f3ad0	74cf002f3ad0 the MAC address (HEX)= 74:CF:00:2F:3A:D0
30	The RSSI of MAC address 3	int8	a9	a9 is 0xA9 = -87(DEC), the type is int8 the RSSI = -87
31~36	MAC address 4	-----	ec26ca022958	ec26ca022958 the MAC address (HEX)= EC:26:CA:02:29:58
37	The RSSI of MAC address 4, int8	int8	b9	b9 is 0xA9 = -71(DEC), the type is int8 the RSSI = -71
38	battery level	uint8	57	57 is 0x57 = 87(DEC) The battery level is 87%

Bluetooth Location Only Packet-0x0B

0x0B	Byte2~4	Byte5	Byte6~9	Byte10~15	Byte16
ID	event status	motion segment number	UTC time	MAC address 1	The RSSI of MAC address 1, int8

Byte17~22	Byte23	Byte24~29	Byte30	Byte31
MAC address 2	The RSSI of MAC address 2, int8	MAC address 3	The RSSI of MAC address 3, int8	battery level

The raw payload:

0B00000800646225bb5162d2c1b9d3ca1b5bd2afeae5c0d0e2d70529e8c957

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	0B	0B is the packet ID.
2~4	event status	uint24	000008	000008 is 0x000008, 0x0000XX is reserved and 0x08 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
5	Motion segment number	uint8	00	00 is 0x00 == 0. When the motion begins, the count increases by 1. Record that this is a movement.
6~9	UTC time	uint32	646225bb	646225bb is 0x646225BB = 1684153787 (DEC) seconds. Convert it to Beijing Time: 2023-05-15 20:29:47
10~15	MAC address 1	-----	5162d2c1b9d3	5162d2c1b9d3 the MAC address (HEX)=51:62:D2:C1:B9:D3
16	The RSSI of MAC address 1, int8	int8	c0	c0 is 0xC0 = -64(DEC), the type is int8 the RSSI = -64
17~22	MAC address 2	-----	1b5bd2afeae5	1b5bd2afeae5 the MAC address (HEX)= 1B:5B:D2:AF:EA:E5
23	The RSSI of MAC address 2, int8	int8	bc	bc is 0xBC = -68(DEC), the type is int8 the RSSI = -68
24~29	MAC address 3	-----	d0e2d70529e8	d0e2d70529e8 the MAC address (HEX)= D0:E2:D7:05:29:E8
30	The RSSI of MAC address 3, int8	int8	c9	c9 is 0xC9 = -55(DEC), the type is int8 the RSSI = -55
31	battery level	uint8	57	57 is 0x57 = 87(DEC) The battery level is 87%

Error Code Packet-0x0D

ID 0x0D packet is used to upload the error code.

The raw payload:

0D00000001

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	0D	0D is the packet ID.
2~5	Error code	uint32	00000001	0x00000001: UTC time acquisition failed 0x00000002: Almanac too old 0x00000003: Doppler error

Positioning Status and Sensor Packet-0x11

ID 0x11 is used to upload the positioning status, sensor data and battery.

The raw payload:

110100000064a763a0014100002f

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	11	11 is the packet ID.
2	Positioning status	uint8	01	00: Positioning successful 01: The GNSS scan timed out and failed to obtain the location. 02: The Wi-Fi scan timed out and failed to obtain the location. 03: The Wi-Fi + GNSS scan timed out and failed to obtain the location. 04: The GNSS + Wi-Fi scan timed out and failed to obtain the location. 05: The Bluetooth scan timed out and failed to obtain the location. 06: The Bluetooth + Wi-Fi scan timed out and failed to obtain the location. 07: The Bluetooth + GNSS scan timed out and failed to obtain the location. 08: The Bluetooth + Wi-Fi + GNSS scan timed out and failed to obtain the location. 09: Location Server failed to parse the GNSS location. 0A: Location Server failed to parse the Wi-Fi location. 0B: Location Server failed to parse the Bluetooth location. 0C: Failed to parse the GNSS location due to the poor accuracy. 0D: Time synchronization failed. 0E: Failed to obtain positioning due to the old Almanac.
3～5	Event status	uint24	000000	000000 is 0x000000, 0x0000XX is reserved and 0x00 is the event status. This byte has 8 bits, each representing an event. Bit1: Start moving event. Bit2: End movement event. Bit3: Motionless event. Bit4: Shock event. Bit5: Temperature event. Bit6: Light event. Bit7: SOS event. Bit8: Press once event. Convert to hexadecimal: 0x000000: no event 0x000001: Start moving event. 0x000002: End movement event. 0x000004: Motionless event. 0x000008: Shock event. 0x000010: Temperature event. 0x000020: Light event. 0x000040: SOS event. 0x000080: Press once event.
6～9	UTC Timestamp	uint32	64a763a0	64a763a0 is 0x64a763a0 = 1688691616 (DEC) seconds. Convert it to Beijing Time: 2023-07-07 09:00:16
10～11	Temperature	int16	0141	0141 is 0x0141 = 321(DEC), temperature=321/10=32.1℃
12～13	Light	uint16	0000	0000 is 0x0000 = 0(DEC) minutes, the light=0=0%
14	Battery level	uint8	2F	2F is 0x2F = 47(DEC) The battery level is 47%

Downlink Packet, FPort=5

The tracker supports LoRaWAN to downlink some commands to adjust parameters. If the device is hibernated, the downlink command takes effect the next time the device wakes up to upload data.

Note: FPort=5

Setting the SOS Mode -0x80

0x80	Byte2
ID	SOS mode 0: single mode 1: continuous mode

8001: set SOS to single mode.

8002: set SOS to continuous mode.

Setting the Uplink Interval -0x81

0x81	Byte2~3	Byte4~5	Byte6~7
ID	Heartbeat uplink interval 0000: Keep current configuration Unit: minutes	Periodic mode uplink interval 0000: Keep current configuration Unit: minutes	Event mode uplink interval 0000: Keep current configuration Unit: minutes

Example: set the periodic mode interval to 30 minutes

Command: 810000001E0000

Open the buzzer -0x82

After sending this command, a buzzer alarm tone will be turned on after the device wakes up and will continue to sound for 1 minute.

0x82	Byte2
ID	Open the buzzer. 00: close 01: open

8200: close the buzzer
8201: open the buzzer

Setting the Work Mode -0x83

0x83	Byte2
ID	Open the buzzer. 00: standby mode 01: periodic mode 02: event mode

8300: set work mode to standby mode
8301: set work mode to periodic mode
8302: set work mode to event mode

Setting the Work Mode -0x84

0x84	Byte2	Byte3~4	Byte5~6	Byte7	Byte8~9
ID	enable motion event	3-Axis motion threshold	motion start interval	enable motionless event	motionless timeout

Byte10	Byte11~12	Byte13	Byte14~15	Byte16~17	Byte18~19
enable shock event	3-Axis shock threshold	enable temperature event	temperature event uplink interval	temperature sample interval	temperature threshold max

Byte20~21	Byte22	Byte23	Byte24~25	Byte26~27	Byte28~29
Temperature threshold min	Temperature warning type	Enable light event	light event uplink interval	light sample interval	light threshold max

Byte30~31	Byte32
light threshold min	light warning type

The command:

8400001e000500016801012c000005001e025800000000000500010064000000

Byte	Value	Type	Raw Data	Description
1	Frame ID	uint8	84	84 is the packet ID.
2	Enable motion event	uint8	00	00 means disable Event mode. 00: disable Event mode. 01: enable Event mode.
3~4	3-Axis motion threshold	uint16	001e	001e is 0x001E=30(DEC) mg When the acceleration exceeds 30mg, determine that the device is in motion, when it is 2 minutes below this value, determine that the device is in motionless.
5~6	Motion start interval	uint16	0005	0005 is 0x0005 = 5(DEC), when device is on motion, the interval is 5 minutes.
7	Enable motionless event	uint8	00	00 means disable motionless event. 00: disable motionless event. 01: enable motionless event.
8~9	Motionless timeout	uint16	0168	0168 is 0x0168 = 360(DEC), when the device is stationary in a location for more than 360 minutes, a motionless timeout event is triggered.
10	Enable shock event	uint8	01	01 means enable shock event. 00: disable shock event. 01: enable shock event.
11~12	3-Axis shock threshold	uint16	012c	012c is 0x012C=300(DEC) mg When the acceleration exceeds 300mg, the shock event is triggered.
13	Enable temperature event	uint8	00	00 means enable shock event. 00: disable shock event. 01: enable shock event.
14~15	Temperature event uplink interval	uint16	0005	0005 is 0x0005 = 5(DEC), when the temperature exceeds the threshold, the location and sensor data will upload every 5 minutes.
16~17	Temperature sample interval	uint16	001e	001e is 0x001E=30(DEC) seconds The temperature is detected every 30 seconds. When the threshold is triggered, upload location and sensor data.
18~19	Temperature threshold max	int16	0258	0258 is 0x0258 = 600(DEC), Maximum threshold =600/10=60.0 ℃
20~21	Temperature threshold min	int16	0000	0000 is 0x0000 = 0(DEC), Minimum threshold=0/10=0.0 ℃
22	Temperature threshold rule	uint8	00	00 means when temperature ≤ min threshold, device will upload location and temperature event. 00: temp ≤ min threshold 01: temp ≥ max threshold 02: temp ≤ min threshold and temp ≥ max threshold 03: min threshold≤ temp ≤max threshold
23	Enable light event	uint8	00	00 means disable light event. 00: disable light event. 01: enable light event.
24~25	Light event uplink interval	uint16	0005	0005 is 0x0005 = 5(DEC), when the light exceeds the threshold, the location and sensor data will upload every 5 minutes.
26~27	Light sample interval	uint16	0001	0001is 0x0001=1(DEC) seconds The temperature is detected every 1 seconds. When the threshold is triggered, upload location and sensor data.
28~29	Light threshold max	uint16	0064	0064 is 0x0064 = 100(DEC) % Maximum threshold =100%
30~31	Light threshold min	uint16	0000	0000 is 0x0000 = 0(DEC) % Minimum threshold=0%
32	Light warning type	uint8	00	00 means when light ≤ min threshold, device will upload location and light event. 00: light ≤ min threshold 01: light ≥ max threshold 02: light ≤ min threshold and light ≥ max threshold 03: min threshold≤ light ≤max threshold

Request Location -0x85

The request tracker initiates location and uploads based on the current configuration. It is usually used in standby mode.

0x85
ID

Example:

85: request location.

Setting Positioning strategy -0x86

0x86	Byte2
ID	Positioning strategy 00: Only GNSS 01: Only Wi-Fi 02: Wi-Fi+GNSS 03: GNSS + Wi-Fi 04: Only Bluetooth 05: Bluetooth + Wi-Fi 06: Bluetooth + GNSS 07: Bluetooth + Wi-Fi + GNSS

Example:

8600: Set the positioning strategy to “Only GNSS”.

1. Request Event Parameters -0x87

0x87
ID

Example:

85: request event parameters.

Request Device Status Packet -0x88

0x88
ID

Example:

88: request Device Status packet(0x01 or 0x02).

Reboot Device -0x89

0x89
ID

Example:

89: After the command is sent, the device reboots and join the network again. Please use this command with caution.

Enable Temperature and Light Sensor -0x8C

Enable data collection and upload for the temperature and light sensor.

0x83	Byte2
ID	Open the temperature and light sensor. 00: Close the temperature and light sensor. 01: Open the temperature and light sensor.

Example:

8300: Close the temperature and light sensor.
8301: Open the temperature and light sensor.

Enable SOS Alarm -0x8D

Enable SOS continuous mode, upload positioning quickly, once every minute, stop after 30 consecutive times, accompanied by sound and light alarm.

Turn off SOS by closing the command or by double clicking the key.

0x8D	Byte2
ID	Open the SOS. 00: Close. 01: Open.

Example:

8D00: Close the SOS alarm.
8D01: Open the SOS alarm.