SimCom SIM7500 Series At Command Manual page 100

Write Command
AT+CPSI=<time>
Defined values
<time>
The range is 0-255, unit is second, after set
seconds.
<System Mode>
System mode, values: "NO SERVICE", "GSM", "WCDMA", "LTE", "TDS"...
If module in LIMITED SERVICE state and +CNLSA command is set to 1, the system mode will
display as "GSM-LIMITED", "WCDMA-LIMITED"...
<Operation Mode>
UE operation mode, values: "Unknown", "Online", "Offline", "Factory Test Mode", "Reset", "Low
Power Mode".
<MCC>
Mobile Country Code (first part of the PLMN code)
<MNC>
Mobile Network Code (second part of the PLMN code)
<LAC>
Location Area Code (hexadecimal digits)
<Cell ID>
Service-cell Identify.
<Absolute RF Ch Num>
AFRCN for service-cell.
<Track LO Adjust>
Track LO Adjust
<C1>
Coefficient for base station selection
<C2>
Coefficient for Cell re-selection
<Frequency Band>
Frequency Band of active set
<PSC>
Primary synchronization code of active set.
<Freq>
Downlink frequency of active set.
<SSC>
Secondary synchronization code of active set
<EC/IO>
Ec/Io value
<RSCP>
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
OK
ERROR
<time> will report the system information every the
Smart Machine Smart Decision
99 2017-12-25