WM620 AT
Command Manual
Copyright © Neoway Technology Co., Ltd
26
2.16 Setting the Network Model: +PREF
Description
To set the network model
Format
AT+PREF=<value> <CR>
AT+PREF=? <CR>
AT+PREF? <CR>
Parameter
<value>:
4: AUTO
13: GSM
14: WCDMA
Return Value
See the Example.
Example
AT+PREF=14
OK
Set the network model to WCDMA.
AT+PREF=?
+PREF: (4,13,14)
OK
Query the valid parameter value range.
AT+PREF?
+PREF: WCDMA
OK
Query current network model.
Remarks
The default status setting is
AUTO
. The parameter setting of this command
can be saved after the module is powered off.
The setting of this command takes effective only after the module is
restarted.
2.17 Querying the Network Standards
Description
To query or set the network standards
Format
AT+ERAT=<rat mode>[,<prefer rat>]<CR>
AT+ERAT=?<CR>
AT+ERAT?<CR>
Parameter
<rat mode>:
0: GSM only