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SARA-R4 series-AT commands manual
UBX-17003787 - R16
13Packet switched data services
Page 150 of 401
Time> is returned only when <n>=4 or <n>=5, the MT is registered with the network and PSM is granted by
the network. The <Assigned_Periodic_TAU> parameter is returned only if when <n>=4 or <n>=5, the MT is
registered with the network, PSM is granted by the network and an extended periodic TAU value (T3412_ext)
is assigned.
SARA-R4 / SARA-N4
If the EPS MT in GERAN/UTRAN/E-UTRAN also supports circuit mode services and/or GPRS services,
the +CREG / +CGREG set and read command result codes apply to the registration status and location
information for those services.
13.13.2SARA-R404M / SARA-R410M-01B / SARA-R410M-63B /
SARA-R410M-73B / SARA-R410M-83B / SARA-N4 Syntax
Type Syntax Response Example
Set AT+CEREG=[<n>] OK AT+CEREG=1
OK
Read AT+CEREG? +CEREG: <n>,<stat>[,[<tac>],[<ci>],
[<AcT>[,[<cause_type>],[<reject_
cause>][,[<Assigned_Active_Time>,
[<Assigned_Periodic_TAU>]]]]]]
OK
+CEREG: 2,1,"3a9b","0000c33d",7
OK
Test AT+CEREG=? +CEREG: (list of supported <n>s)
OK
+CEREG: (0-3)
OK
URC +CEREG: <stat>[,[<tac>],[<ci>],
[<AcT>][,[<cause_type>],[<reject_
cause>][,[<Assigned_Active_Time>,
[<Assigned_Periodic_TAU>]]]]]
+CEREG: 1,"3a9b","0000c33d",7
13.13.3SARA-R410M-02B / SARA-R410M-52B / SARA-R412M Syntax
Type Syntax Response Example
Set AT+CEREG=[<n>] OK AT+CEREG=1
OK
Read AT+CEREG? +CEREG: <n>,<stat>[,[<tac>],
[<rac_or_mme>],[<ci>],[<AcT>[,
[<cause_type>],[<reject_cause>]
[,[<Assigned_Active_Time>,
[<Assigned_Periodic_TAU>]]]]]
OK
+CEREG: 2,1,"3a9b","0000c33d",7
OK
Test AT+CEREG=? +CEREG: (list of supported <n>s)
OK
+CEREG: (0-3)
OK
URC +CEREG: <stat>[,[<tac>],[<rac_
or_mme>],[<ci>],[<AcT>][,
[<cause_type>],[<reject_cause>]
[,[<Assigned_Active_Time>,
[<Assigned_Periodic_TAU>]]]]]
+CEREG: 1,"3a9b","0000c33d",7
13.13.4Defined values
Parameter Type Description
<n> Number Mode configuration:
• 0: network registration URC disabled
• 1: network registration URC +CEREG: <stat> enabled
• 2: network registration and location information URC +CEREG: <stat>[,[<tac>],
[<ci>],[<AcT>]] enabled
• 3: network registration, location information and EMM cause value
information URC +CEREG: <stat>[,[<tac>],[<ci>],[<AcT>][,<cause_type>,<reject_
cause>]] enabled
• 4: PSM, network registration and location information information
URC +CEREG: <stat>[,[<tac>],[<ci>],[<AcT>][,,[,[<Assigned_Active_Time>[,
<Assigned_Periodic_TAU>]]]]] enabled