Owner's manual

UC864-E/G Product Description
80281ST10034a Rev. 1 - 08/08/2008
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 16 of 36
2.10 WCDMA/GSM Power consumption
The typical current consumption of the Telit UC864-E/G is:
Power off current (typical)
< 26 µA;
Stand
–
by current (
WCDMA
Idl
e)
< 23.2mA (<5.3mA using command AT+CFUN=5)
Stand
–
by current (GSM Idle)
< 15.0mA (<3.6mA using command AT+CFUN=5)
Operating current in
WCDMA
voice channel
< 690 mA @ worst network conditions
Operating current in
GSM vo
ice channel
< 317 mA @ worst network conditions
Operating current in
WCDMA data channel
< 680 mA @ worst network conditions
Operating current in HSDPA channel
< 730 mA @ worst network conditions
Operating current in GPRS Class 12
< 790 mA @ worst network conditions
Operating curren
t in EGPRS Class 12
< 560 mA @ worst network conditions
2.11 Embodied Battery charger
The battery charger is suited for 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 typ
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 pin of the UC864-E/G.