Product Info

LTE Standard Module Series
EC21 Hardware Design
EC21_Hardware_Design 91 / 120
Table 41: EC21-EU Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down 12.8 uA
Sleep state
AT+CFUN=0 (USB disconnected)
1.8 mA
GSM DRX=2 (USB disconnected) 3.0 mA
GSM DRX=9 (USB disconnected) 2.2 mA
WCDMA PF=64 (USB disconnected) 3.1 mA
WCDMA PF=128 (USB disconnected) 2.6 mA
LTE-FDD PF=64 (USB disconnected) 3.3 mA
LTE-FDD PF=128 (USB disconnected) 2.6 mA
Idle state
(GNSS OFF)
EGSM900 @DRX=5 (USB disconnected) 17.6 mA
EGSM900 @DRX=5 (USB connected) 27.7 mA
WCDMA PF=64 (USB disconnected) 17.9 mA
WCDMA PF=64 (USB connected) 27.9 mA
LTE-FDD PF=64 (USB disconnected) 17.9 mA
LTE-FDD PF=64 (USB connected) 28.0 mA
GPRS data transfer
(GNSS OFF)
EGSM900 4DL/1UL @33.80dBm 264.3 mA
EGSM900 3DL/2UL @32.57dBm 419.8 mA
EGSM900 2DL/3UL @30.26dBm 481.5 mA
EGSM900 1DL/4UL @28.94dBm 553.2 mA
DCS1800 4DL/1UL @31.13dBm 178.3 mA
DCS1800 3DL/2UL @30.28dBm 293.6 mA
DCS1800 2DL/3UL @28.21dBm 354.3 mA
DCS1800 1DL/4UL @27.05dBm 424.7 mA
EDGE data transfer EGSM900 4DL/1UL @27.08dBm 147.1 mA