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GC864 Hardware User Guide
1vv0300874 Rev.1 – 2010-03-29
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved.
Page 22 of 64
5.
Power Supply
The power supply circuitry and board layout are a very important part in the full
product design and they strongly reflect on the product overall performances, hence
read carefully the following requirements and guidelines for a proper design.
5.1.
Power Supply Requirements
Condition
Value
Nominal Supply Voltage
3.80 V
Normal operating Voltage Range
3.40 V - 4.20 V
Extended operating Voltage Range
3.22 V – 4.50 V
The GC864-QUAD V2 / GC864-DUAL V2 power consumptions are:
GC864-QUAD V2 / GC864-DUAL V2
Mode
Average
(mA)
Mode description
SWITCHED OFF
Switched Off
<62 uA
Module supplied but Switched Off
IDLE mode
AT+CFUN=1
19.0
Normal mode: full functionality of the module
AT+CFUN=4
18.0
Disabled TX and RX; module is not registered on the network
3.9
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2.9
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2.1
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1.9
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AT+CFUN=0 or =5
1.6
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CSD TX and RX mode
GSM900 CSD PL5
300
DCS1800 CSD PL0
200
GSM VOICE CALL
GPRS (class 10) 1TX
GSM900 PL5
260
DCS1800 PL0
170
GPRS Sending data mode
GPRS (class 10) 2TX
GSM900 PL5
470
DCS1800 PL0
300
GPRS Sending data mode