ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev.4 Page 158 of 545 2020-04-15
unknown. Example, out of LTE coverage
registered for "SMS only", home network (not applicable)
registered for "SMS only", roaming (not applicable).
attached for emergency bearer services only. 3GPP TS 24.008
[8] and 3GPP TS 24.301 [83] specify the condition when the MS
is considered as attached for emergency bearer services.
registered for "CSFB not preferred", home network (not
applicable).
registered for "CSFB not preferred", roaming (not applicable).
tracking area code (two bytes) in hexadecimal format (e.g. "00C3" equals
195 in decimal)
LTE cell ID (four bytes) in hexadecimal format
indicates the access technology of the serving cell.
Values:
AT+CEREG?
Read command returns the current value of <mode>, the registration status <stat>, and the
information <tac>, <ci>, <AcT> according to the current <mode> parameter value.
+CEREG: <mode>,<stat>[,[<tac>],[<ci>],[<AcT>]]
AT+CEREG=?
Test command returns supported values for parameter <mode>.