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UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 141 / 247
10
Packet Domain Commands
10.1. AT+CGATT Attachment or Detachment of PS
The AT+CGATT write command is used to attach the MT to, or detach the MT from the packet domain
service. After the command has been completed, the MT remains in V.25ter command state. If the MT is
already in the requested state, the command is ignored and the
OK
response will be returned. If the
requested state cannot be achieved, an
ERROR
or
+CME ERROR
response is returned.
Parameter
AT+CGATT Attachment or Detachment of PS
Test Command
AT+CGATT=?
Response
+CGATT:
(list of supported
<state>
s)
OK
Read Command
AT+CGATT?
Response
+CGATT: <state>
OK
Write Command
AT+CGATT=<state>
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
75s, determined by network.
Reference
3GPP TS 27.007
<state>
Indicates the state of PS attachment
0
Detached
1
Attached
Other values are reserved and will result in an
ERROR
response to the Write Command
Quectel
Confidential