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EHS6 AT Command Set
8.3 AT^SXRAT
EHS6_ATC_V03.001 15/12/3
Confidential / Released
Page 169 of 513
8.3 AT^SXRAT Selection of Radio Access Technology
The AT^SXRAT command forces the selection of the Radio Access Technology (RAT) in the protocol stack. On
a later network registration (AT+COPS, AT+CGATT) this setting is used.
The AT^SXRAT write command allows to set the RAT and preferred RAT:
• When the ME is registered, setting only <AcT>=0 or 2 can be used to instantly change the RAT.
• When the ME is not registered and the SIM card is not locked, <AcT>=0 or 2 can be set prior to entering SIM
PIN1 in order to determine the RAT before registering.
• When <AcT>=1 is set and the <AcT_pref> setting is changed then the newly selected preferred RAT will
be used first for the next registration attempt with AT+COPS. The selected <AcT_pref> setting is stored non-
volatile if <AcT>=1. However, depending on network capability, it is possible that the ME changes to the non-
preferred RAT if this more suitable.
In Airplane mode (AT+CFUN=4) the AT^SXRAT read and test command can be used, but not the write command.
Syntax
Test Command
AT^SXRAT=?
Response(s)
^XRAT:[list of present operator(<AcT>, list of present operator(<AcT_pref>]
OK
ERROR
+CME ERROR: <err>
Read Command
AT^SXRAT?
Response(s)
^SXRAT:<AcT>, <AcT_pref>
OK
ERROR
+CME ERROR:<err>
Write Command
AT^SXRAT=<AcT>[, <AcT_pref>]
Response(s)
OK
ERROR
+CME ERROR:<err>
PIN Last
- ± -
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