Answer
"Cellular modem radio access technology" refers to the cellular network the GO Device is connected to.The reason for the record "Cellular modem radio access technology" can be found in Activity > Log Data & Collision module.
The field Record Value determines which network the GO device is connected at the moment. The most common record values and its meanings are:
- "0 is 2G
- "2 is 3G
- "7 is 4G
- "8 is CATM1
In the example below the device is connected to a 3G network: