User Manual

GE863-PRO
3
Product Description
80285ST10036a Rev. 1 DRAFT- 24/04/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 17 of 53
The total power consumption of GE863-PRO
3
is the sum of the consumptions of GSM and ARM9
processor part.
3.7 Embodied Battery charger
The battery charger is suited for a 3.7V Li-Ion rechargeable battery (suggested capacity 500-
1000mAh). The Charger needs only a CURRENT LIMITED power source input and charges the
battery directly through VBATT connector pins.
Battery charger input pin
CHARGE
Battery pins
VBATT, GND
Battery charger input voltage min
5.0 V
Battery charger input voltage typical
5.5 V
Battery charger input voltage max
7.0 V
Battery charger input current max
400mA
Battery type
Li-Ion rechargeable
NOTE: If embodied battery charger is used, then a LOW ESR capacitor of at least 100µF must be
mounted in parallel to VBATT pin.
NOTE: when power is supplied to the CHARGE pin, a battery must always be connected to the
VBATT pins of the GE863-PRO
3
.
3.8 User Interface
The user interface of the Telit GE863-PRO
3
GSM/GPRS engine is managed by AT commands specified
on the ITU-T V.250, GSM 07.07 and GSM 07.05 specifications.
3.9 Speech Coding
The Telit GE863-PRO
3
modules voice codec supports the following rates:
• Half Rate
• Full rate
• Enhanced Full Rate
• Adaptive Multi Rate