Specifications

Telit GM862-PCS/-GPRS/-GSM Product Description
1vv0300604, Rev. ISSUE#14 - 22/01/04
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Group high
Group low
1209 Hz 1336 Hz 1477 Hz
697 Hz 1 2 3
770 Hz 4 5 6
852 Hz 7 8 9
941 Hz * 0 #
2.11.17 Buzzer output
The General Purpose I/O pin GPIO7 can be configured to output the BUZZER output signal, with
only an external Mosfet/transistor and a diode a Buzzer can be directly driven.
The ringing tone and the other signaling tones can be redirected to this Buzzer output with a
specific AT command.
2.12 EMC
Compliant to & ETS 300–342–1 and all applicable GSM Specifications.
Compliant to Directive 1999/05/CE.
2.13 Logic level specifications
Where not specifically stated, all the interface circuits work at 2.8V CMOS logic levels.
The following table shows the logic level specifications used in the Telit GM862-GPRS module
interface circuits:
Absolute Maximum Ratings -Not Functional
Parameter Min Max
Input level on any
digital pin when on
-0.3V +3.75V
Input voltage on
analog pins when on
-0.3V +3.0 V