Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 144 2012.12.10
OK
Parameters
See Write Command
Response
Switch on or off engineering mode. It will report +CENG: (network
information) automatically if <mode>=2.
OK
ERROR
Write Command
AT+CENG=<mo
de>[,<Ncell>]
Parameters
<mode> 0 Switch off engineering mode
1 Switch on engineering mode
2 Switch on engineering mode, and activate the
URC report of network information
3 Switch on engineering mode, with limited URC report
<Ncell> 0 Un-display neighbor cell ID
1 Display neighbor cell ID
If <mode>=3, ignore this parameter.
<cell> 0 The serving cell
1-6 The index of the neighboring cell
<arfcn> Absolute radio frequency channel number
<rxl> Receive level
<rxq> Receive quality
<mcc> Mobile country code
<mnc> Mobile network code
<bsic> Base station identity code
<cellid> Cell id
<lac> Location area code
<rla> Receive level access minimum
<txp> Transmit power maximum CCCH
<TA> Timing Advance
Reference Note
6.2.25 AT+SCLASS0 Store Class 0 SMS to SIM When Received Class 0 SMS
AT+SCLASS0 Store Class 0 SMS to SIM When Module Received Class 0 SMS
Response
+SCLASS0: (0, 1)
OK
Test Command
AT+SCLASS0=?
Parameter