User's Manual

LTE Module
EC20 Hardware Design
EC20_Hardware_Design Confidential / Released 57 / 83
6.4. Current Consumption
The values of current consumption are shown below.
Table 30: EC20 Current Consumption
Parameter
Description
Conditions
Typ.
Unit
I
VBAT
OFF state
Power down
20
uA
Sleep state
AT+CFUN=0 (USB disconnected)
1.05
mA
GSM DRX=2 (USB disconnected)
3.7
mA
GSM DRX=9 (USB disconnected)
1.8
mA
WCDMA DRX=6 (USB disconnected)
2.8
mA
WCDMA DRX=9 (USB disconnected)
1.5
mA
GPRS data transfer
(GNSS off)
GSM850 4DL/1UL PCL=5
233
mA
GSM850 3DL/2UL PCL=5
382
mA
GSM850 2DL/3UL PCL=5
426
mA
GSM850 1DL/4UL PCL=5
510
mA
PCS1900 4DL/1UL PCL=0
198
mA
PCS1900 3DL/2UL PCL=0
333
mA
PCS1900 2DL/3UL PCL=0
385
mA
PCS1900 1DL/4UL PCL=0
443
mA
EDGE data transfer
(GNSS off)
GSM850 4DL/1UL PCL=8
160
mA
GSM850 3DL/2UL PCL=8
261
mA
GSM850 2DL/3UL PCL=8
351
mA
GSM850 1DL/4UL PCL=8
442
mA
PCS1900 4DL/1UL PCL=2
154
mA
PCS1900 3DL/2UL PCL=2
249
mA
PCS1900 2DL/3UL PCL=2
333
mA