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3.9 Signal %RSSI
3.9.1 Command Syntax
Command
RSSI
3.9.2 Description
This command returns received signal strength indication. It is a negative value. The
unit is dBm.
3.9.3 Defined Values
<rssi>: Received Signal Strength Indicator
51 ~ 113: -113 dBm ~ -51 dBm -
125: -125 dBm. No signal.
NOTE: The relationship between RSCP, EC/IO and RSSI is as below, all values
should be negative.
RSCP=RSSI+EC/IO
3.10 Operation mode setting command +CFUN
3.10.1 Command Syntax
Command
+CFUN=[<fun>[,<rst>]]
+CFUN?
+CFUN=?
3.10.2 Description
The "EXECUTION" command is used to set the MS mode or restart the MS.
Issue 18 (2009-06-22)
Equal to or higher than -51 dBm
Unknown or unmeasurable.
Possible response(s)
<CR><LF> RSSI:
<rssi><CR><LF><CR><LF>OK<CR><LF>
Possible response(s)
<CR><LF>OK<CR><LF>
In case of MS-related error:
<CR><LF>+CME ERROR: <err><CR><LF>
<CR><LF>+CFUN:
<fun><CR><LF><CR><LF>OK<CR><LF>
In case of MS-related error:
<CR><LF>+CME ERROR: <err><CR><LF>
<CR><LF>+CFUN: (list of supported <fun>s), (list of
supported <rst>s)<CR><LF><CR><LF>OK<CR><LF>
Commercial in Confidence
HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Page 31 of 169
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