SDK2 symbol-frame protocol — every frame received from devices and every reply sent back (ACK/NAK/keepalive)
Log Entries
INFO OUT 2026-06-13 15:11:01.702
[v2] [V2] [UDP] Sent to ('46.114.210.95', 15203): ~SDK2|A|90|1|Q:C|F:6*1B
Decode frame
Type
ACK (server reply) [A]
Box ID
90
Seq
1
Server action
C
TX frequency
6
Checksum
1B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 15:11:01.702 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.95', 15203): ~SDK2|A|90|1|Q:C|F:6*1B
INFO IN 2026-06-13 15:11:00.821
[v2] [V2] [UDP] Received from ('46.114.210.95', 15203): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4213|V:0|W:0|G:-97dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:3|U:0|R:0|I:2|C:0%|M:37%|K:8%*68
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4213
Visits since last reading
0
Visits 10tx
0
GSM level
-97dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
3
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
68 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 15:11:00.821 [INFO] [v2] [V2] [UDP] Received from ('46.114.210.95', 15203): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4213|V:0|W:0|G:-97dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:3|U:0|R:0|I:2|C:0%|M:37%|K:8%*68
INFO OUT 2026-06-13 14:59:33.333
[v2] [V2] [UDP] Sent to ('82.77.25.115', 12345): ~SDK2|N|0|1|E:CKS*05
Decode frame
Type
NAK (server reject) [N]
Box ID
0
Seq
1
Error code
CKS
Checksum
05 ✓ valid (full body)
2026-06-13 14:59:33.333 [INFO] [v2] [V2] [UDP] Sent to ('82.77.25.115', 12345): ~SDK2|N|0|1|E:CKS*05
WARNING 2026-06-13 14:59:33.333
[v2] [V2] Invalid frame (CKS) from 82.77.25.115:12345: ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4200
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
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
7%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
[v2] [V2] [UDP] Received from ('82.77.25.115', 12345): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4200
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
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
7%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:59:33.332 [INFO] [v2] [V2] [UDP] Received from ('82.77.25.115', 12345): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
INFO OUT 2026-06-13 14:48:02.774
[v2] [V2] [UDP] Sent to ('46.114.213.184', 2097): ~SDK2|A|89|1|Q:C|F:6*13
Decode frame
Type
ACK (server reply) [A]
Box ID
89
Seq
1
Server action
C
TX frequency
6
Checksum
13 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:48:02.774 [INFO] [v2] [V2] [UDP] Sent to ('46.114.213.184', 2097): ~SDK2|A|89|1|Q:C|F:6*13
INFO IN 2026-06-13 14:48:02.037
[v2] [V2] [UDP] Received from ('46.114.213.184', 2097): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4302|V:0|W:0|G:-95dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:2|U:0|R:0|I:2|C:0%|M:37%|K:8%*6A
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4302
Visits since last reading
0
Visits 10tx
0
GSM level
-95dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
2
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
6A ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:48:02.037 [INFO] [v2] [V2] [UDP] Received from ('46.114.213.184', 2097): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4302|V:0|W:0|G:-95dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:2|U:0|R:0|I:2|C:0%|M:37%|K:8%*6A
INFO OUT 2026-06-13 14:45:55.597
[v2] [V2] [UDP] Sent to ('46.114.210.16', 21430): ~SDK2|A|88|1|Q:C|F:6*12
Decode frame
Type
ACK (server reply) [A]
Box ID
88
Seq
1
Server action
C
TX frequency
6
Checksum
12 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:45:55.597 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.16', 21430): ~SDK2|A|88|1|Q:C|F:6*12
INFO IN 2026-06-13 14:45:54.895
[v2] [V2] [UDP] Received from ('46.114.210.16', 21430): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4302|V:0|W:0|G:-95dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:100%|M:37%|K:8%*68
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4302
Visits since last reading
0
Visits 10tx
0
GSM level
-95dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
100%
Memory
37%
Disk
8%
Checksum
68 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:45:54.895 [INFO] [v2] [V2] [UDP] Received from ('46.114.210.16', 21430): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4302|V:0|W:0|G:-95dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:100%|M:37%|K:8%*68
INFO OUT 2026-06-13 14:42:17.285
[v2] [V2] [UDP] Sent to ('46.114.228.223', 14206): ~SDK2|A|87|1|Q:C|F:6*1D
Decode frame
Type
ACK (server reply) [A]
Box ID
87
Seq
1
Server action
C
TX frequency
6
Checksum
1D ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:42:17.285 [INFO] [v2] [V2] [UDP] Sent to ('46.114.228.223', 14206): ~SDK2|A|87|1|Q:C|F:6*1D
INFO IN 2026-06-13 14:42:16.438
[v2] [V2] [UDP] Received from ('46.114.228.223', 14206): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4228|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%*30
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4228
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
30 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:42:16.438 [INFO] [v2] [V2] [UDP] Received from ('46.114.228.223', 14206): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4228|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%*30
INFO OUT 2026-06-13 14:40:40.692
[v2] [V2] [UDP] Sent to ('46.114.211.193', 8053): ~SDK2|A|86|1|Q:C|F:6*1C
Decode frame
Type
ACK (server reply) [A]
Box ID
86
Seq
1
Server action
C
TX frequency
6
Checksum
1C ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:40:40.692 [INFO] [v2] [V2] [UDP] Sent to ('46.114.211.193', 8053): ~SDK2|A|86|1|Q:C|F:6*1C
INFO IN 2026-06-13 14:40:39.801
[v2] [V2] [UDP] Received from ('46.114.211.193', 8053): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4254|V:0|W:0|G:-93dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*58
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4254
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
58 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:40:39.801 [INFO] [v2] [V2] [UDP] Received from ('46.114.211.193', 8053): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4254|V:0|W:0|G:-93dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*58
INFO OUT 2026-06-13 14:37:07.295
[v2] [V2] [UDP] Sent to ('46.114.211.78', 27530): ~SDK2|A|85|1|Q:C|F:6*1F
Decode frame
Type
ACK (server reply) [A]
Box ID
85
Seq
1
Server action
C
TX frequency
6
Checksum
1F ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:37:07.295 [INFO] [v2] [V2] [UDP] Sent to ('46.114.211.78', 27530): ~SDK2|A|85|1|Q:C|F:6*1F
INFO IN 2026-06-13 14:37:06.684
[v2] [V2] [UDP] Received from ('46.114.211.78', 27530): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4211|V:0|W:0|G:-89dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:100%|M:37%|K:8%*66
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4211
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
100%
Memory
37%
Disk
8%
Checksum
66 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:37:06.684 [INFO] [v2] [V2] [UDP] Received from ('46.114.211.78', 27530): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4211|V:0|W:0|G:-89dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:100%|M:37%|K:8%*66
INFO OUT 2026-06-13 14:33:22.901
[v2] [V2] [UDP] Sent to ('46.114.210.144', 9159): ~SDK2|A|84|1|Q:C|F:6*1E
Decode frame
Type
ACK (server reply) [A]
Box ID
84
Seq
1
Server action
C
TX frequency
6
Checksum
1E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:33:22.901 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.144', 9159): ~SDK2|A|84|1|Q:C|F:6*1E
INFO IN 2026-06-13 14:33:22.047
[v2] [V2] [UDP] Received from ('46.114.210.144', 9159): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4290|V:0|W:0|G:-91dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*31
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4290
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
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
31 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:33:22.047 [INFO] [v2] [V2] [UDP] Received from ('46.114.210.144', 9159): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4290|V:0|W:0|G:-91dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*31
INFO OUT 2026-06-13 14:29:51.869
[v2] [V2] [UDP] Sent to ('46.114.227.135', 20070): ~SDK2|A|83|1|Q:C|F:6*19
Decode frame
Type
ACK (server reply) [A]
Box ID
83
Seq
1
Server action
C
TX frequency
6
Checksum
19 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:29:51.869 [INFO] [v2] [V2] [UDP] Sent to ('46.114.227.135', 20070): ~SDK2|A|83|1|Q:C|F:6*19
INFO IN 2026-06-13 14:29:51.474
[v2] [V2] [UDP] Received from ('46.114.227.135', 20070): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4234|V:0|W:0|G:-95dBm|O:26201|H:UDP_PARSE,UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:7%*30
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4234
Visits since last reading
0
Visits 10tx
0
GSM level
-95dBm
Operator
26201
HW issues
UDP_PARSE,UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
7%
Checksum
30 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:29:51.474 [INFO] [v2] [V2] [UDP] Received from ('46.114.227.135', 20070): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4234|V:0|W:0|G:-95dBm|O:26201|H:UDP_PARSE,UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:7%*30
INFO OUT 2026-06-13 14:25:55.176
[v2] [V2] [UDP] Sent to ('172.20.0.1', 56209): ~SDK2|A|1|9|Q:A*1F
Decode frame
Type
ACK (server reply) [A]
Box ID
1
Seq
9
Server action
A
Checksum
1F ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:25:55.176 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 56209): ~SDK2|A|1|9|Q:A*1F
INFO 2026-06-13 14:25:55.175
[v2] [V2] Heartbeat from box 1 (172.20.0.1:56209)
2026-06-13 14:25:55.175 [INFO] [v2] [V2] Heartbeat from box 1 (172.20.0.1:56209)
INFO IN 2026-06-13 14:25:55.175
[v2] [V2] [UDP] Received from ('172.20.0.1', 56209): ~SDK2|H|1|9|q1w2e3r4t5y6u7i8*34
Decode frame
Type
Heartbeat [H]
Box ID
1
Seq
9
Token
q1w2e3r4t5y6u7i8
Checksum
34 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:25:55.175 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 56209): ~SDK2|H|1|9|q1w2e3r4t5y6u7i8*34
INFO OUT 2026-06-13 14:25:55.174
[v2] [V2] [UDP] Sent to ('172.20.0.1', 49138): ~SDK2|A|82|1|Q:C|F:6*18
Decode frame
Type
ACK (server reply) [A]
Box ID
82
Seq
1
Server action
C
TX frequency
6
Checksum
18 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:25:55.174 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 49138): ~SDK2|A|82|1|Q:C|F:6*18
INFO IN 2026-06-13 14:25:54.166
[v2] [V2] [UDP] Received from ('172.20.0.1', 49138): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4200
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
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
7%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:25:54.166 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 49138): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
INFO OUT 2026-06-13 14:23:52.033
[v2] [V2] [UDP] Sent to ('46.114.209.255', 26475): ~SDK2|A|81|1|Q:C|F:6*1B
Decode frame
Type
ACK (server reply) [A]
Box ID
81
Seq
1
Server action
C
TX frequency
6
Checksum
1B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:23:52.033 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.255', 26475): ~SDK2|A|81|1|Q:C|F:6*1B
INFO IN 2026-06-13 14:23:51.349
[v2] [V2] [UDP] Received from ('46.114.209.255', 26475): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4289|V:0|W:0|G:-97dBm|O:26201|H:UDP_PARSE,UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:7%*34
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4289
Visits since last reading
0
Visits 10tx
0
GSM level
-97dBm
Operator
26201
HW issues
UDP_PARSE,UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
7%
Checksum
34 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:23:51.349 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.255', 26475): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4289|V:0|W:0|G:-97dBm|O:26201|H:UDP_PARSE,UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:7%*34
INFO OUT 2026-06-13 14:23:30.208
[v2] [V2] [UDP] Sent to ('172.20.0.1', 41519): ~SDK2|A|80|1|Q:C|F:6*1A
Decode frame
Type
ACK (server reply) [A]
Box ID
80
Seq
1
Server action
C
TX frequency
6
Checksum
1A ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:23:30.208 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 41519): ~SDK2|A|80|1|Q:C|F:6*1A
INFO IN 2026-06-13 14:23:29.680
[v2] [V2] [UDP] Received from ('172.20.0.1', 41519): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4200
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
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
7%
Checksum
3E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:23:29.680 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 41519): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4200|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*3E
INFO OUT 2026-06-13 14:21:17.897
[v2] [V2] [UDP] Sent to ('46.114.231.195', 2361): ~SDK2|A|79|1|Q:C|F:6*1C
Decode frame
Type
ACK (server reply) [A]
Box ID
79
Seq
1
Server action
C
TX frequency
6
Checksum
1C ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:21:17.897 [INFO] [v2] [V2] [UDP] Sent to ('46.114.231.195', 2361): ~SDK2|A|79|1|Q:C|F:6*1C
INFO IN 2026-06-13 14:21:16.281
[v2] [V2] [UDP] Received from ('46.114.231.195', 2361): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4301|V:0|W:0|G:-95dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*33
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4301
Visits since last reading
0
Visits 10tx
0
GSM level
-95dBm
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
7%
Checksum
33 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:21:16.281 [INFO] [v2] [V2] [UDP] Received from ('46.114.231.195', 2361): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4301|V:0|W:0|G:-95dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:7%*33
INFO OUT 2026-06-13 14:16:16.161
[v2] [V2] [UDP] Sent to ('46.114.208.235', 16366): ~SDK2|A|78|1|Q:C|F:6*1D
Decode frame
Type
ACK (server reply) [A]
Box ID
78
Seq
1
Server action
C
TX frequency
6
Checksum
1D ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:16:16.161 [INFO] [v2] [V2] [UDP] Sent to ('46.114.208.235', 16366): ~SDK2|A|78|1|Q:C|F:6*1D
INFO IN 2026-06-13 14:16:15.484
[v2] [V2] [UDP] Received from ('46.114.208.235', 16366): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4290|V:0|W:0|G:-91dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*31
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4290
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
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
31 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 14:16:15.484 [INFO] [v2] [V2] [UDP] Received from ('46.114.208.235', 16366): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4290|V:0|W:0|G:-91dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:2|C:0%|M:37%|K:8%*31
INFO OUT 2026-06-13 13:56:11.668
[v2] [V2] [UDP] Sent to ('46.114.230.221', 25656): ~SDK2|A|77|1|Q:C|F:6*12
Decode frame
Type
ACK (server reply) [A]
Box ID
77
Seq
1
Server action
C
TX frequency
6
Checksum
12 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:56:11.668 [INFO] [v2] [V2] [UDP] Sent to ('46.114.230.221', 25656): ~SDK2|A|77|1|Q:C|F:6*12
INFO IN 2026-06-13 13:56:11.190
[v2] [V2] [UDP] Received from ('46.114.230.221', 25656): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4243|V:0|W:0|G:-97dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*59
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4243
Visits since last reading
0
Visits 10tx
0
GSM level
-97dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
50%
Memory
37%
Disk
8%
Checksum
59 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:56:11.190 [INFO] [v2] [V2] [UDP] Received from ('46.114.230.221', 25656): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4243|V:0|W:0|G:-97dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*59
INFO OUT 2026-06-13 13:52:44.892
[v2] [V2] [UDP] Sent to ('172.20.0.1', 41584): ~SDK2|A|73|1|Q:C|F:6*16
Decode frame
Type
ACK (server reply) [A]
Box ID
73
Seq
1
Server action
C
TX frequency
6
Checksum
16 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:52:44.892 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 41584): ~SDK2|A|73|1|Q:C|F:6*16
INFO IN 2026-06-13 13:52:44.443
[v2] [V2] [UDP] Received from ('172.20.0.1', 41584): ~SDK2|D|73|1|q1w2e3r4t5y6u7i8|B:4230|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:3|U:0|R:0|I:2|C:0%|M:37%|K:7%*0B
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
73
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4230
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
3
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
7%
Checksum
0B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:52:44.443 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 41584): ~SDK2|D|73|1|q1w2e3r4t5y6u7i8|B:4230|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:3|U:0|R:0|I:2|C:0%|M:37%|K:7%*0B
INFO OUT 2026-06-13 13:50:36.016
[v2] [V2] [UDP] Sent to ('46.114.227.82', 20104): ~SDK2|A|76|1|Q:C|F:6*01
Decode frame
Type
ACK (server reply) [A]
Box ID
76
Seq
1
Server action
C
TX frequency
6
Checksum
01 ✓ valid (full body)
2026-06-13 13:50:36.016 [INFO] [v2] [V2] [UDP] Sent to ('46.114.227.82', 20104): ~SDK2|A|76|1|Q:C|F:6*01
INFO IN 2026-06-13 13:50:35.632
[v2] [V2] [UDP] Received from ('46.114.227.82', 20104): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4232|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*59
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4232
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
50%
Memory
37%
Disk
8%
Checksum
59 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:50:35.632 [INFO] [v2] [V2] [UDP] Received from ('46.114.227.82', 20104): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4232|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*59
INFO OUT 2026-06-13 13:47:01.407
[v2] [V2] [UDP] Sent to ('46.114.227.83', 17451): ~SDK2|A|75|1|Q:C|F:6*02
Decode frame
Type
ACK (server reply) [A]
Box ID
75
Seq
1
Server action
C
TX frequency
6
Checksum
02 ✓ valid (full body)
2026-06-13 13:47:01.407 [INFO] [v2] [V2] [UDP] Sent to ('46.114.227.83', 17451): ~SDK2|A|75|1|Q:C|F:6*02
INFO IN 2026-06-13 13:47:00.595
[v2] [V2] [UDP] Received from ('46.114.227.83', 17451): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4312|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:100%|M:37%|K:8%*6E
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4312
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
100%
Memory
37%
Disk
8%
Checksum
6E ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:47:00.595 [INFO] [v2] [V2] [UDP] Received from ('46.114.227.83', 17451): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4312|V:0|W:0|G:-91dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:100%|M:37%|K:8%*6E
INFO OUT 2026-06-13 13:43:24.373
[v2] [V2] [UDP] Sent to ('46.114.226.223', 18784): ~SDK2|A|74|1|Q:C|F:6*03
Decode frame
Type
ACK (server reply) [A]
Box ID
74
Seq
1
Server action
C
TX frequency
6
Checksum
03 ✓ valid (full body)
2026-06-13 13:43:24.373 [INFO] [v2] [V2] [UDP] Sent to ('46.114.226.223', 18784): ~SDK2|A|74|1|Q:C|F:6*03
INFO IN 2026-06-13 13:43:23.817
[v2] [V2] [UDP] Received from ('46.114.226.223', 18784): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4312|V:0|W:0|G:-95dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:1|C:0%|M:37%|K:8%*3D
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4312
Visits since last reading
0
Visits 10tx
0
GSM level
-95dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
0%
Memory
37%
Disk
8%
Checksum
3D ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:43:23.817 [INFO] [v2] [V2] [UDP] Received from ('46.114.226.223', 18784): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4312|V:0|W:0|G:-95dBm|O:26201|H:|F:8|A:C|N:1|U:0|R:0|I:1|C:0%|M:37%|K:8%*3D
INFO OUT 2026-06-13 13:42:02.726
[v2] [V2] [UDP] Sent to ('172.20.0.1', 42331): ~SDK2|A|73|1|Q:C|F:6*04
Decode frame
Type
ACK (server reply) [A]
Box ID
73
Seq
1
Server action
C
TX frequency
6
Checksum
04 ✓ valid (full body)
2026-06-13 13:42:02.726 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 42331): ~SDK2|A|73|1|Q:C|F:6*04
INFO IN 2026-06-13 13:42:01.995
[v2] [V2] [UDP] Received from ('172.20.0.1', 42331): ~SDK2|D|73|1|q1w2e3r4t5y6u7i8|B:4230|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:3|U:0|R:0|I:2|C:0%|M:37%|K:7%*0B
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
73
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4230
Visits since last reading
0
Visits 10tx
0
GSM level
-89dBm
Operator
26201
HW issues
TX frequency
8
Action
C
Boot count
3
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
7%
Checksum
0B ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 13:42:01.995 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 42331): ~SDK2|D|73|1|q1w2e3r4t5y6u7i8|B:4230|V:0|W:0|G:-89dBm|O:26201|H:|F:8|A:C|N:3|U:0|R:0|I:2|C:0%|M:37%|K:7%*0B
INFO OUT 2026-06-13 12:40:51.946
[v2] [V2] [UDP] Sent to ('46.114.229.161', 21057): ~SDK2|A|73|1|Q:C|F:6*04
Decode frame
Type
ACK (server reply) [A]
Box ID
73
Seq
1
Server action
C
TX frequency
6
Checksum
04 ✓ valid (full body)
2026-06-13 12:40:51.946 [INFO] [v2] [V2] [UDP] Sent to ('46.114.229.161', 21057): ~SDK2|A|73|1|Q:C|F:6*04
INFO IN 2026-06-13 12:40:51.313
[v2] [V2] [UDP] Received from ('46.114.229.161', 21057): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4315|V:1|W:1|G:-93dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*5F
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4315
Visits since last reading
1
Visits 10tx
1
GSM level
-93dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
50%
Memory
37%
Disk
8%
Checksum
5F ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 12:40:51.313 [INFO] [v2] [V2] [UDP] Received from ('46.114.229.161', 21057): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4315|V:1|W:1|G:-93dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*5F
INFO OUT 2026-06-13 04:39:45.743
[v2] [V2] [UDP] Sent to ('46.114.214.25', 14035): ~SDK2|A|72|1|Q:C|F:6*05
Decode frame
Type
ACK (server reply) [A]
Box ID
72
Seq
1
Server action
C
TX frequency
6
Checksum
05 ✓ valid (full body)
2026-06-13 04:39:45.743 [INFO] [v2] [V2] [UDP] Sent to ('46.114.214.25', 14035): ~SDK2|A|72|1|Q:C|F:6*05
INFO IN 2026-06-13 04:39:45.388
[v2] [V2] [UDP] Received from ('46.114.214.25', 14035): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4303|V:1|W:1|G:-93dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*58
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4303
Visits since last reading
1
Visits 10tx
1
GSM level
-93dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
50%
Memory
37%
Disk
8%
Checksum
58 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-13 04:39:45.388 [INFO] [v2] [V2] [UDP] Received from ('46.114.214.25', 14035): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4303|V:1|W:1|G:-93dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*58
INFO OUT 2026-06-12 20:38:28.957
[v2] [V2] [UDP] Sent to ('46.114.211.122', 27678): ~SDK2|A|71|1|Q:C|F:6*06
Decode frame
Type
ACK (server reply) [A]
Box ID
71
Seq
1
Server action
C
TX frequency
6
Checksum
06 ✓ valid (full body)
2026-06-12 20:38:28.957 [INFO] [v2] [V2] [UDP] Sent to ('46.114.211.122', 27678): ~SDK2|A|71|1|Q:C|F:6*06
INFO IN 2026-06-12 20:38:28.596
[v2] [V2] [UDP] Received from ('46.114.211.122', 27678): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4218|V:1|W:1|G:-89dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*58
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
0
Seq
1
Token
q1w2e3r4t5y6u7i8
Battery (mV)
4218
Visits since last reading
1
Visits 10tx
1
GSM level
-89dBm
Operator
26201
HW issues
UDP_NOACK
TX frequency
8
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
1
CPU
50%
Memory
37%
Disk
8%
Checksum
58 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-12 20:38:28.596 [INFO] [v2] [V2] [UDP] Received from ('46.114.211.122', 27678): ~SDK2|D|0|1|q1w2e3r4t5y6u7i8|B:4218|V:1|W:1|G:-89dBm|O:26201|H:UDP_NOACK|F:8|A:C|N:1|U:0|R:0|I:1|C:50%|M:37%|K:8%*58