During your field test, you can set device auto send sms to onnet network or offnet network. or you can keep auto make call. all data will store in sdcard.
Feature as below :-
1. Send Short SMS to onnet number
2. Send Short SMS to offnet number
3. Send Long SMS to onnet number
4. Send Long SMS to offnet number
5. Auto Call to onnet number
6. Auto Call to offnet number
7. Log will save into SDCard - it include location (lat, long). RSRP, SINR, PCI and etc.