Product Info

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design
6-70
/ 105
6.4. Current Consumption
The values of current consumption are shown below.
Table 34: EC21-E Current Consumption
Parameter
Description
Conditions
Typ.
Unit
I
VBAT
OFF state
Power down
13
uA
Sleep state
AT+CFUN=0 (USB disconnected)
1.4
mA
GSM900 @DRX=9 (USB disconnected)
1.8
mA
DCS1800 @DRX=9 (USB disconnected)
1.8
mA
WCDMA PF=64 (USB disconnected)
2.4
mA
WCDMA PF=128 (USB disconnected)
1.9
mA
FDD-LTE PF=64 (USB disconnected)
3.2
mA
FDD-LTE PF=128 (USB disconnected)
2.1
mA
Idle state
(GNSS OFF)
GSM900 @DRX=5 (USB disconnected)
22.0
mA
GSM900 @DRX=5 (USB connected)
32.0
mA
WCDMA PF=64 (USB disconnected)
22.5
mA
WCDMA PF=64 (USB connected)
32.7
mA
LTE-FDD PF=64 (USB disconnected)
22.5
mA
LTE-FDD PF=64 (USB connected)
32.5
mA
GPRS data transfer
(GNSS OFF)
GSM900 4DL/1UL @32.3dBm
220
mA
GSM900 3DL/2UL @32.18dBm
387
mA
GSM900 2DL/3UL @30.3dBm
467
mA
GSM900 1DL/4UL @29.4dBm
555
mA
DCS1800 4DL/1UL @29.6dBm
185
mA
DCS1800 3DL/2UL @29.1dBm
305
mA