User's Manual

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 72 / 94
Table 35: EC21-E Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down TBD uA
Sleep state
AT+CFUN=0 (USB disconnected)
TBD mA
WCDMA PF=64 (USB disconnected) TBD mA
WCDMA PF=128 (USB disconnected) TBD mA
FDD-LTE PF=64 (USB disconnected) TBD mA
FDD-LTE PF=128 (USB disconnected) TBD mA
Idle state
(GNSS OFF)
WCDMA PF=64 (USB disconnected) TBD mA
WCDMA PF=64 (USB connected) TBD mA
LTE-FDD PF=64 (USB disconnected) TBD mA
LTE-FDD PF=64 (USB connected) TBD mA
GPRS
datatransfer(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
DCS1800 2DL/3UL @28.8dBm 431 mA
DCS1800 1DL/4UL @29.1dBm 540 mA
EDGE
datatransfer(GNSS
OFF)
GSM900 4DL/1UL @26dBm 148 mA
GSM900 3DL/2UL @26dBm 245 mA
GSM900 2DL/3UL @25dBm 338 mA
GSM900 1DL/4UL @25dBm 432 mA
DCS1800 4DL/1UL @26dBm 150 mA
DCS1800 3DL/2UL @25dBm 243 mA
DCS1800 2DL/3UL @25dBm 337 mA