Specifications

TC35i AT Command Set
Confidential / Released
TC35i_ATC_V01.05 Page 194 of 278 04.08.2003
7.7 AT^SBV Battery / supply voltage
Test command
AT^SBV=?
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
Execute command
AT^SBV
Response
The execute command allows to monitor the supply (or battery) voltage of the
module. The reference point for measuring the voltage are the test points BATT+
and GND on the bottom of the module. Refer to [1] for information on the module’s
test points.
^SBV: <value> OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
<value> numeric value for supply (or battery) voltage in mV
The displayed value is constant over the measurement period. The
duration of the measuring period depends on the operating mode on the
radio interface: It ranges from 0.5s in TALK / DATA mode to 50s if the
module is deregistered.
Reference
Siemens
Note