SDK2 symbol-frame protocol — every frame received from devices and every reply sent back (ACK/NAK/keepalive)
Log Entries
INFO IN 2026-06-10 17:55:10.043
[v2] [V2] [UDP] Received from ('46.114.208.83', 21902): ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
2
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✗ INVALID (expected 29 or 3B)
2026-06-10 17:55:10.043 [INFO] [v2] [V2] [UDP] Received from ('46.114.208.83', 21902): ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
INFO OUT 2026-06-10 17:54:26.763
[v2] [V2] [UDP] Sent to ('46.114.208.83', 7860): ~SDK2|N|1|2|E:CKS*07
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
2
Error code
CKS
Checksum
07 ✓ valid (full body)
2026-06-10 17:54:26.763 [INFO] [v2] [V2] [UDP] Sent to ('46.114.208.83', 7860): ~SDK2|N|1|2|E:CKS*07
WARNING 2026-06-10 17:54:26.763
,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3|F:8|A:C|N:1|U:0|R:0|I:2|C:100%|M:37%|K:8%*45
[v2] [V2] Invalid frame (CKS) from 46.114.208.83:7860: ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26
[v2] [V2] [UDP] Received from ('46.114.208.83', 7860): ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
2
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✗ INVALID (expected 29 or 3B)
2026-06-10 17:54:26.762 [INFO] [v2] [V2] [UDP] Received from ('46.114.208.83', 7860): ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
INFO OUT 2026-06-10 17:53:41.329
[v2] [V2] [UDP] Sent to ('46.114.208.83', 11809): ~SDK2|N|1|2|E:CKS*07
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
2
Error code
CKS
Checksum
07 ✓ valid (full body)
2026-06-10 17:53:41.329 [INFO] [v2] [V2] [UDP] Sent to ('46.114.208.83', 11809): ~SDK2|N|1|2|E:CKS*07
WARNING 2026-06-10 17:53:41.328
,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3|F:8|A:C|N:1|U:0|R:0|I:2|C:100%|M:37%|K:8%*45
[v2] [V2] Invalid frame (CKS) from 46.114.208.83:11809: ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26
[v2] [V2] [UDP] Received from ('46.114.208.83', 11809): ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
2
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✗ INVALID (expected 29 or 3B)
2026-06-10 17:53:41.327 [INFO] [v2] [V2] [UDP] Received from ('46.114.208.83', 11809): ~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
INFO OUT 2026-06-10 17:52:29.780
[v2] [V2] [UDP] Sent to ('46.114.209.5', 12658): ~SDK2|N|1|1|E:CKS*04
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
1
Error code
CKS
Checksum
04 ✓ valid (full body)
2026-06-10 17:52:29.780 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.5', 12658): ~SDK2|N|1|1|E:CKS*04
WARNING 2026-06-10 17:52:29.780
[v2] [V2] Invalid frame (CKS) from 46.114.209.5:12658: ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
[v2] [V2] [UDP] Received from ('46.114.209.5', 12658): ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:52:29.779 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.5', 12658): ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
INFO OUT 2026-06-10 17:51:47.684
[v2] [V2] [UDP] Sent to ('46.114.209.5', 45032): ~SDK2|N|1|1|E:CKS*04
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
1
Error code
CKS
Checksum
04 ✓ valid (full body)
2026-06-10 17:51:47.684 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.5', 45032): ~SDK2|N|1|1|E:CKS*04
WARNING 2026-06-10 17:51:47.683
[v2] [V2] Invalid frame (CKS) from 46.114.209.5:45032: ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
[v2] [V2] [UDP] Received from ('46.114.209.5', 45032): ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:51:47.682 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.5', 45032): ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
INFO OUT 2026-06-10 17:50:58.049
[v2] [V2] [UDP] Sent to ('46.114.209.5', 12695): ~SDK2|N|1|1|E:CKS*04
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
1
Error code
CKS
Checksum
04 ✓ valid (full body)
2026-06-10 17:50:58.049 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.5', 12695): ~SDK2|N|1|1|E:CKS*04
WARNING 2026-06-10 17:50:58.047
[v2] [V2] Invalid frame (CKS) from 46.114.209.5:12695: ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
[v2] [V2] [UDP] Received from ('46.114.209.5', 12695): ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:50:58.047 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.5', 12695): ~SDK2|D|1|1|q1w2e3r4t5y6u7i8|B:4214|V:0|W:0|G:-93dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*3E
INFO OUT 2026-06-10 17:49:21.426
[v2] [V2] [UDP] Sent to ('46.114.213.104', 30824): ~SDK2|N|1|20|E:CKS*37
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
20
Error code
CKS
Checksum
37 ✓ valid (full body)
2026-06-10 17:49:21.426 [INFO] [v2] [V2] [UDP] Sent to ('46.114.213.104', 30824): ~SDK2|N|1|20|E:CKS*37
WARNING 2026-06-10 17:49:21.425
[v2] [V2] Invalid frame (CKS) from 46.114.213.104:30824: ~SDK2|D|1|20|q1w2e3r4t5y6u7i8|B:4319|V:0|W:0|G:-93dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.213.104', 30824): ~SDK2|D|1|20|q1w2e3r4t5y6u7i8|B:4319|V:0|W:0|G:-93dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*23
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
20
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4319
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
23 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:49:21.424 [INFO] [v2] [V2] [UDP] Received from ('46.114.213.104', 30824): ~SDK2|D|1|20|q1w2e3r4t5y6u7i8|B:4319|V:0|W:0|G:-93dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*23
INFO OUT 2026-06-10 17:48:22.621
[v2] [V2] [UDP] Sent to ('46.114.211.72', 47619): ~SDK2|N|1|19|E:CKS*3D
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
19
Error code
CKS
Checksum
3D ✓ valid (full body)
2026-06-10 17:48:22.621 [INFO] [v2] [V2] [UDP] Sent to ('46.114.211.72', 47619): ~SDK2|N|1|19|E:CKS*3D
WARNING 2026-06-10 17:48:22.621
[v2] [V2] Invalid frame (CKS) from 46.114.211.72:47619: ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.211.72', 47619): ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*21
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
19
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4320
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
21 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:48:22.620 [INFO] [v2] [V2] [UDP] Received from ('46.114.211.72', 47619): ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*21
INFO OUT 2026-06-10 17:47:42.909
[v2] [V2] [UDP] Sent to ('46.114.211.72', 47288): ~SDK2|N|1|19|E:CKS*3D
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
19
Error code
CKS
Checksum
3D ✓ valid (full body)
2026-06-10 17:47:42.909 [INFO] [v2] [V2] [UDP] Sent to ('46.114.211.72', 47288): ~SDK2|N|1|19|E:CKS*3D
WARNING 2026-06-10 17:47:42.908
[v2] [V2] Invalid frame (CKS) from 46.114.211.72:47288: ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.211.72', 47288): ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*21
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
19
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4320
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
21 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:47:42.907 [INFO] [v2] [V2] [UDP] Received from ('46.114.211.72', 47288): ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*21
INFO OUT 2026-06-10 17:47:03.184
[v2] [V2] [UDP] Sent to ('46.114.211.72', 1929): ~SDK2|N|1|19|E:CKS*3D
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
19
Error code
CKS
Checksum
3D ✓ valid (full body)
2026-06-10 17:47:03.184 [INFO] [v2] [V2] [UDP] Sent to ('46.114.211.72', 1929): ~SDK2|N|1|19|E:CKS*3D
WARNING 2026-06-10 17:47:03.183
[v2] [V2] Invalid frame (CKS) from 46.114.211.72:1929: ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.211.72', 1929): ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*21
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
19
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4320
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
21 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:47:03.183 [INFO] [v2] [V2] [UDP] Received from ('46.114.211.72', 1929): ~SDK2|D|1|19|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*21
INFO OUT 2026-06-10 17:44:37.359
[v2] [V2] [UDP] Sent to ('46.114.231.66', 41275): ~SDK2|N|1|18|E:CKS*3C
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
18
Error code
CKS
Checksum
3C ✓ valid (full body)
2026-06-10 17:44:37.359 [INFO] [v2] [V2] [UDP] Sent to ('46.114.231.66', 41275): ~SDK2|N|1|18|E:CKS*3C
WARNING 2026-06-10 17:44:37.358
[v2] [V2] Invalid frame (CKS) from 46.114.231.66:41275: ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.231.66', 41275): ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*20
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
18
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4320
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
20 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:44:37.358 [INFO] [v2] [V2] [UDP] Received from ('46.114.231.66', 41275): ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*20
INFO OUT 2026-06-10 17:43:58.832
[v2] [V2] [UDP] Sent to ('46.114.231.66', 19635): ~SDK2|N|1|18|E:CKS*3C
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
18
Error code
CKS
Checksum
3C ✓ valid (full body)
2026-06-10 17:43:58.832 [INFO] [v2] [V2] [UDP] Sent to ('46.114.231.66', 19635): ~SDK2|N|1|18|E:CKS*3C
WARNING 2026-06-10 17:43:58.831
[v2] [V2] Invalid frame (CKS) from 46.114.231.66:19635: ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.231.66', 19635): ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*20
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
18
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4320
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
20 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:43:58.830 [INFO] [v2] [V2] [UDP] Received from ('46.114.231.66', 19635): ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*20
INFO OUT 2026-06-10 17:43:17.890
[v2] [V2] [UDP] Sent to ('46.114.231.66', 20036): ~SDK2|N|1|18|E:CKS*3C
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
18
Error code
CKS
Checksum
3C ✓ valid (full body)
2026-06-10 17:43:17.890 [INFO] [v2] [V2] [UDP] Sent to ('46.114.231.66', 20036): ~SDK2|N|1|18|E:CKS*3C
WARNING 2026-06-10 17:43:17.889
[v2] [V2] Invalid frame (CKS) from 46.114.231.66:20036: ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.231.66', 20036): ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*20
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
18
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4320
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
20 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:43:17.888 [INFO] [v2] [V2] [UDP] Received from ('46.114.231.66', 20036): ~SDK2|D|1|18|q1w2e3r4t5y6u7i8|B:4320|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*20
INFO OUT 2026-06-10 17:42:17.741
[v2] [V2] [UDP] Sent to ('46.114.230.0', 31011): ~SDK2|N|1|17|E:CKS*33
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
17
Error code
CKS
Checksum
33 ✓ valid (full body)
2026-06-10 17:42:17.741 [INFO] [v2] [V2] [UDP] Sent to ('46.114.230.0', 31011): ~SDK2|N|1|17|E:CKS*33
WARNING 2026-06-10 17:42:17.741
[v2] [V2] Invalid frame (CKS) from 46.114.230.0:31011: ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.230.0', 31011): ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*2B
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
17
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4252
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
2B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:42:17.740 [INFO] [v2] [V2] [UDP] Received from ('46.114.230.0', 31011): ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*2B
INFO OUT 2026-06-10 17:41:38.237
[v2] [V2] [UDP] Sent to ('46.114.230.0', 54835): ~SDK2|N|1|17|E:CKS*33
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
17
Error code
CKS
Checksum
33 ✓ valid (full body)
2026-06-10 17:41:38.237 [INFO] [v2] [V2] [UDP] Sent to ('46.114.230.0', 54835): ~SDK2|N|1|17|E:CKS*33
WARNING 2026-06-10 17:41:38.236
[v2] [V2] Invalid frame (CKS) from 46.114.230.0:54835: ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.230.0', 54835): ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*2B
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
17
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4252
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
2B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:41:38.235 [INFO] [v2] [V2] [UDP] Received from ('46.114.230.0', 54835): ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*2B
INFO OUT 2026-06-10 17:40:58.369
[v2] [V2] [UDP] Sent to ('46.114.230.0', 22589): ~SDK2|N|1|17|E:CKS*33
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
17
Error code
CKS
Checksum
33 ✓ valid (full body)
2026-06-10 17:40:58.369 [INFO] [v2] [V2] [UDP] Sent to ('46.114.230.0', 22589): ~SDK2|N|1|17|E:CKS*33
WARNING 2026-06-10 17:40:58.368
[v2] [V2] Invalid frame (CKS) from 46.114.230.0:22589: ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.230.0', 22589): ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*2B
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
17
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4252
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
2B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:40:58.368 [INFO] [v2] [V2] [UDP] Received from ('46.114.230.0', 22589): ~SDK2|D|1|17|q1w2e3r4t5y6u7i8|B:4252|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*2B
INFO OUT 2026-06-10 17:39:47.879
[v2] [V2] [UDP] Sent to ('46.114.210.22', 59952): ~SDK2|N|1|16|E:CKS*32
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
16
Error code
CKS
Checksum
32 ✓ valid (full body)
2026-06-10 17:39:47.879 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.22', 59952): ~SDK2|N|1|16|E:CKS*32
WARNING 2026-06-10 17:39:47.879
[v2] [V2] Invalid frame (CKS) from 46.114.210.22:59952: ~SDK2|D|1|16|q1w2e3r4t5y6u7i8|B:4319|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:5
[v2] [V2] [UDP] Received from ('46.114.210.22', 59952): ~SDK2|D|1|16|q1w2e3r4t5y6u7i8|B:4319|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*24
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
16
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4319
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK,UDP_PARSE,UDP_OPEN
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
24 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:39:47.878 [INFO] [v2] [V2] [UDP] Received from ('46.114.210.22', 59952): ~SDK2|D|1|16|q1w2e3r4t5y6u7i8|B:4319|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK,UDP_PARSE,UDP_OPEN|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*24
INFO OUT 2026-06-10 17:39:07.020
[v2] [V2] [UDP] Sent to ('46.114.210.22', 22813): ~SDK2|N|1|16|E:CKS*32
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
16
Error code
CKS
Checksum
32 ✓ valid (full body)
2026-06-10 17:39:07.020 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.22', 22813): ~SDK2|N|1|16|E:CKS*32