Product Info

LTE Standard Module Series
EC21 Hardware Design
EC21_Hardware_Design 93 / 120
Table 42: EC21-EC Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down 7 uA
Sleep state
AT+CFUN=0 (USB disconnected)
0.9 mA
GSM DRX=2 (USB disconnected) 2.0 mA
GSM DRX=9 (USB disconnected) 1.3 mA
WCDMA PF=64 (USB disconnected) 1.9 mA
WCDMA PF=128 (USB disconnected) 1.6 mA
LTE-FDD PF=64 (USB disconnected) 2.3 mA
LTE-FDD PF=128 (USB disconnected) 1.6 mA
Idle state
(GNSS OFF)
GSM DRX=5 (USB disconnected) 16.8 mA
GSM DRX=5 (USB connected) 27.3 mA
WCDMA PF=64 (USB disconnected) 17.9 mA
WCDMA PF=64 (USB connected) 26.3 mA
LTE-FDD PF=64 (USB disconnected) 18.0 mA
LTE-FDD PF=64 (USB connected) 27.9 mA
GPRS data
transfer
(GNSS OFF)
EGSM900 4DL/1UL @33.65dBm 270.8 mA
EGSM900 3DL/2UL @33.41dBm 491.2 mA
EGSM900 2DL/3UL @30.08dBm 496.3 mA
EGSM900 1DL/4UL @28.75dBm 566.0 mA
DCS1800 4DL/1UL @30.05dBm 167.7 mA
DCS1800 3DL/2UL @29.99dBm 273.1 mA
DCS1800 2DL/3UL @29.79dBm 378.8 mA
DCS1800 1DL/4UL @29.85dBm 488.0 mA
EDGE data EGSM900 4DL/1UL PCL=8 @24.73dBm 164.3 mA