User's Manual

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 73 / 94
DCS1800 1DL/4UL @25dBm 430 mA
WCDMA
datatransfer(GNSS
OFF)
WCDMA B1 HSDPA@22.5dBm 659 mA
WCDMA B1 HSUPA@21.11dBm 545 mA
WCDMA B5 HSDPA@23.5dBm 767 mA
WCDMA B5 HSUPA@21.4dBm 537 mA
WCDMA B8 HSDPA@22.41dBm 543 mA
WCDMA B8 HSUPA@21.2dBm 445 mA
LTE
datatransfer(GNSS
OFF)
LTE-FDD B1 @23.45dBm 807 mA
LTE-FDD B3 @23.4dBm 825 mA
LTE-FDD B5 @23.4dBm 786 mA
LTE-FDD B7 @23.86dBm 887 mA
LTE-FDD B8 @23.5dBm 675 mA
LTE-FDD B20 @23.57dBm 770 mA
GSMvoice call
GSM900 PCL=5 @32.8dBm 336 mA
PCS1800 PCL=0 @29.3dBm 291 mA
WCDMAvoice call
WCDMA B1 @23.69dBm 683 mA
WCDMA B5 @23.61dBm 741 mA
WCDMA B8 @23.35dBm 564 mA
Table 36: EC21-KL Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down 20 uA
Sleep state
AT+CFUN=0 (USB disconnected)
0.98 mA
LTE-FDD PF=64 (USB disconnected) 2.5 mA
LTE-FDD PF=128 (USB disconnected) 2.4 mA
Idle state
(GNSS OFF)
LTE-FDD PF=64 (USB disconnected) 23.0 mA
LTE-FDD PF=64 (USB connected) 34.0 mA