From Teltonika Networks Wiki
| required value |
register number |
number of registers |
representation |
| System uptime |
1 |
2 |
32 bit unsigned integer |
| Mobile signal strength (RSSI in dBm) |
3 |
2 |
32 bit integer |
| System temperature (in 0.1 °C) |
5 |
2 |
32 bit integer |
| System hostname |
7 |
16 |
Text |
| GSM operator name |
23 |
16 |
Text |
| Router serial number |
39 |
16 |
Text |
| LAN MAC address |
55 |
16 |
Text |
| Router name |
71 |
16 |
Text |
| Currently active SIM card slot |
87 |
16 |
Text |
| Network registration info |
103 |
16 |
Text |
| Network type |
119 |
16 |
Text |
| Current WAN IP address |
139 |
16 |
32 bit unsigned integer |
