MC55 AT Command Set
17.4 AT^SBV s
m
obil
e
MC55_ATC_V01.05 Page 433 of 469 2/10/04
Confidential / Released
17.4 AT^SBV Battery/Supply Voltage
Syntax
Command Description
The exec command allows to monitor the supply (or battery) voltage o f the module measured on pin BATT+. 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.
The displayed value is constant over the measurement period . The duration of the measurement period depends
on the operating mode on the radio interface: it ranges from 0.5s in TALK / DATA mode up to 50s when MC55
is in IDLE mode or Limited Service (deregistered).
Parameter Description
supply (or battery) voltage in mV
Test Command
AT^SBV=?
Response(s)
OK
ERROR
+CME ERROR:
Exec Command
AT^SBV
Response(s)
^SBV: <value>
OK
ERROR
+CME ERROR:
PIN ASC0 ASC1 MUX1 MUX2 MUX3
! % % % % %
Reference(s)
SIEMENS
<value>(num)