SDK2 symbol-frame protocol — every frame received from devices and every reply sent back (ACK/NAK/keepalive)
Log Entries
INFO IN 2026-06-10 18:05:16.043
[v2] [V2] [UDP] Received from ('46.114.231.244', 34902): ~SDK2|D|1|2|UDP_PARSE,UDP_OPEN|B:4248|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted,UDP_NOACK,UDP_PARSE,UDP_OPEN|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:100%|M:37%|K:8%*45
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
2
Token
UDP_PARSE,UDP_OPEN
Battery (mV)
4217
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
~SDK2
TX frequency
1128353614
Action
C
Boot count
2
High activity
0
Throttle
0
FW version
2
CPU
100%
Memory
37%
Disk
8%
Checksum
45 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 18:05:16.043 [INFO] [v2] [V2] [UDP] Received from ('46.114.231.244', 34902): ~SDK2|D|1|2|UDP_PARSE,UDP_OPEN|B:4248|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted,UDP_NOACK,UDP_PARSE,UDP_OPEN|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:100%|M:37%|K:8%*45
INFO OUT 2026-06-10 18:04:34.222
[v2] [V2] [UDP] Sent to ('46.114.231.244', 15752): ~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 18:04:34.222 [INFO] [v2] [V2] [UDP] Sent to ('46.114.231.244', 15752): ~SDK2|N|1|2|E:CKS*07
WARNING 2026-06-10 18:04:34.222
[v2] [V2] Invalid frame (CKS) from 46.114.231.244:15752: ~SDK2|D|1|2|UDP_PARSE,UDP_OPEN|B:4248|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:159909589
[v2] [V2] [UDP] Received from ('46.114.231.244', 15752): ~SDK2|D|1|2|UDP_PARSE,UDP_OPEN|B:4248|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted,UDP_NOACK,UDP_PARSE,UDP_OPEN|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:100%|M:37%|K:8%*45
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
2
Token
UDP_PARSE,UDP_OPEN
Battery (mV)
4217
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
~SDK2
TX frequency
1128353614
Action
C
Boot count
2
High activity
0
Throttle
0
FW version
2
CPU
100%
Memory
37%
Disk
8%
Checksum
45 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 18:04:34.220 [INFO] [v2] [V2] [UDP] Received from ('46.114.231.244', 15752): ~SDK2|D|1|2|UDP_PARSE,UDP_OPEN|B:4248|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted,UDP_NOACK,UDP_PARSE,UDP_OPEN|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:100%|M:37%|K:8%*45
INFO OUT 2026-06-10 18:03:44.861
[v2] [V2] [UDP] Sent to ('46.114.210.83', 16722): ~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 18:03:44.861 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.83', 16722): ~SDK2|N|1|1|E:CKS*04
WARNING 2026-06-10 18:03:44.860
[v2] [V2] Invalid frame (CKS) from 46.114.210.83:16722: ~SDK2|D|1|1|ACK_3|B:4311|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:
[v2] [V2] [UDP] Received from ('46.114.210.83', 16722): ~SDK2|D|1|1|ACK_3|B:4311|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:0%|M:37%|K:8%*39
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
ACK_3
Battery (mV)
4217
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
~SDK2
TX frequency
1128353614
Action
C
Boot count
2
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
39 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 18:03:44.858 [INFO] [v2] [V2] [UDP] Received from ('46.114.210.83', 16722): ~SDK2|D|1|1|ACK_3|B:4311|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:0%|M:37%|K:8%*39
INFO OUT 2026-06-10 18:02:57.571
[v2] [V2] [UDP] Sent to ('46.114.210.83', 11447): ~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 18:02:57.571 [INFO] [v2] [V2] [UDP] Sent to ('46.114.210.83', 11447): ~SDK2|N|1|1|E:CKS*04
WARNING 2026-06-10 18:02:57.571
[v2] [V2] Invalid frame (CKS) from 46.114.210.83:11447: ~SDK2|D|1|1|ACK_3|B:4311|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:
[v2] [V2] [UDP] Received from ('46.114.210.83', 11447): ~SDK2|D|1|1|ACK_3|B:4311|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:0%|M:37%|K:8%*39
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
1
Token
ACK_3
Battery (mV)
4217
Visits since last reading
0
Visits 10tx
0
GSM level
-91dBm
Operator
26201
HW issues
~SDK2
TX frequency
1128353614
Action
C
Boot count
2
High activity
0
Throttle
0
FW version
2
CPU
0%
Memory
37%
Disk
8%
Checksum
39 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 18:02:57.570 [INFO] [v2] [V2] [UDP] Received from ('46.114.210.83', 11447): ~SDK2|D|1|1|ACK_3|B:4311|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26201|H:~SDK2|,UDP_NOACcompleted|F:1128353614|A:C|N:2|U:0|R:0|I:2|C:0%|M:37%|K:8%*39
INFO OUT 2026-06-10 18:01:03.273
[v2] [V2] [UDP] Sent to ('46.114.214.238', 25980): ~SDK2|N|1|4|E:CKS*01
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
4
Error code
CKS
Checksum
01 ✓ valid (full body)
2026-06-10 18:01:03.273 [INFO] [v2] [V2] [UDP] Sent to ('46.114.214.238', 25980): ~SDK2|N|1|4|E:CKS*01
WARNING 2026-06-10 18:01:03.272
[v2] [V2] Invalid frame (CKS) from 46.114.214.238:25980: ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|
[v2] [V2] [UDP] Received from ('46.114.214.238', 25980): ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3,CFUN0|F:1128353614|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*13
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
4
Token
ACK_3,CFUN0
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
1128353614
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
13 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 18:01:03.271 [INFO] [v2] [V2] [UDP] Received from ('46.114.214.238', 25980): ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3,CFUN0|F:1128353614|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*13
INFO OUT 2026-06-10 18:00:20.089
[v2] [V2] [UDP] Sent to ('46.114.214.238', 22735): ~SDK2|N|1|4|E:CKS*01
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
4
Error code
CKS
Checksum
01 ✓ valid (full body)
2026-06-10 18:00:20.089 [INFO] [v2] [V2] [UDP] Sent to ('46.114.214.238', 22735): ~SDK2|N|1|4|E:CKS*01
WARNING 2026-06-10 18:00:20.088
[v2] [V2] Invalid frame (CKS) from 46.114.214.238:22735: ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|
[v2] [V2] [UDP] Received from ('46.114.214.238', 22735): ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3,CFUN0|F:1128353614|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*13
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
4
Token
ACK_3,CFUN0
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
1128353614
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
13 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 18:00:20.087 [INFO] [v2] [V2] [UDP] Received from ('46.114.214.238', 22735): ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3,CFUN0|F:1128353614|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*13
INFO OUT 2026-06-10 17:59:29.761
[v2] [V2] [UDP] Sent to ('46.114.214.238', 29107): ~SDK2|N|1|4|E:CKS*01
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
4
Error code
CKS
Checksum
01 ✓ valid (full body)
2026-06-10 17:59:29.761 [INFO] [v2] [V2] [UDP] Sent to ('46.114.214.238', 29107): ~SDK2|N|1|4|E:CKS*01
WARNING 2026-06-10 17:59:29.760
[v2] [V2] Invalid frame (CKS) from 46.114.214.238:29107: ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|
[v2] [V2] [UDP] Received from ('46.114.214.238', 29107): ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3,CFUN0|F:1128353614|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*13
Decode frame
Type
Data (telemetry uplink) [D]
Box ID
1
Seq
4
Token
ACK_3,CFUN0
Battery (mV)
4214
Visits since last reading
0
Visits 10tx
0
GSM level
-93dBm
Operator
26201
HW issues
TX frequency
1128353614
Action
C
Boot count
1
High activity
0
Throttle
0
FW version
2
CPU
50%
Memory
37%
Disk
8%
Checksum
13 ✓ valid (firmware variant, without SDK2| prefix)
2026-06-10 17:59:29.759 [INFO] [v2] [V2] [UDP] Received from ('46.114.214.238', 29107): ~SDK2|D|1|4|ACK_3,CFUN0|B:4223|V:0|W:1599095893|G:-91dBm|O:26201|H:~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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,UDP_NOACK,NOACK_1,NOACK_2,NOACK_3,CFUN0|F:1128353614|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*13
INFO OUT 2026-06-10 17:58:01.714
[v2] [V2] [UDP] Sent to ('46.114.209.170', 29092): ~SDK2|N|1|3|E:CKS*06
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
3
Error code
CKS
Checksum
06 ✓ valid (full body)
2026-06-10 17:58:01.714 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.170', 29092): ~SDK2|N|1|3|E:CKS*06
WARNING 2026-06-10 17:58:01.713
,UDP_NOACK,NOACK_1,NOACK_2,N|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*1E
[v2] [V2] Invalid frame (CKS) from 46.114.209.170:29092: ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26
[v2] [V2] [UDP] Received from ('46.114.209.170', 29092): ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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
3
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 17:58:01.712 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.170', 29092): ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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 17:57:18.587
[v2] [V2] [UDP] Sent to ('46.114.209.170', 6815): ~SDK2|N|1|3|E:CKS*06
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
3
Error code
CKS
Checksum
06 ✓ valid (full body)
2026-06-10 17:57:18.587 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.170', 6815): ~SDK2|N|1|3|E:CKS*06
WARNING 2026-06-10 17:57:18.587
,UDP_NOACK,NOACK_1,NOACK_2,N|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*1E
[v2] [V2] Invalid frame (CKS) from 46.114.209.170:6815: ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26
[v2] [V2] [UDP] Received from ('46.114.209.170', 6815): ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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
3
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 17:57:18.586 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.170', 6815): ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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 17:56:28.697
[v2] [V2] [UDP] Sent to ('46.114.209.170', 15264): ~SDK2|N|1|3|E:CKS*06
Decode frame
Type
NAK (server reject) [N]
Box ID
1
Seq
3
Error code
CKS
Checksum
06 ✓ valid (full body)
2026-06-10 17:56:28.697 [INFO] [v2] [V2] [UDP] Sent to ('46.114.209.170', 15264): ~SDK2|N|1|3|E:CKS*06
WARNING 2026-06-10 17:56:28.696
,UDP_NOACK,NOACK_1,NOACK_2,N|F:8|A:C|N:1|U:0|R:0|I:2|C:50%|M:37%|K:8%*1E
[v2] [V2] Invalid frame (CKS) from 46.114.209.170:15264: ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~SDK2|D|1|2|q1w2e3r4t5y6u7i8|B:4217|V:0|W:0|G:-91dBm|O:26
[v2] [V2] [UDP] Received from ('46.114.209.170', 15264): ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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
3
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 17:56:28.695 [INFO] [v2] [V2] [UDP] Received from ('46.114.209.170', 15264): ~SDK2|D|1|3|q1w2e3r4t5y6u7i8|B:4177|V:0|W:0|G:-95dBm|O:26201|H:~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 17:55:10.044
[v2] [V2] [UDP] Sent to ('46.114.208.83', 21902): ~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 17:55:10.044 [INFO] [v2] [V2] [UDP] Sent to ('46.114.208.83', 21902): ~SDK2|N|1|2|E:CKS*07
WARNING 2026-06-10 17:55:10.043
,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 46.114.208.83:21902: ~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:26
[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