User's Manual

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 70 / 94
6.4. Current Consumption
The values of current consumption are shown below.
Table 33: EC21-A Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down 20 uA
Sleep state
AT+CFUN=0 (USB disconnected)
1.0 mA
WCDMA PF=64 (USB disconnected) 2.8 mA
WCDMA PF=128 (USB disconnected) 2.3 mA
LTE-FDD PF=64 (USB disconnected) 2.2 mA
LTE-FDD PF=128 (USB disconnected) 2.2 mA
Idle state
(GNSS OFF)
WCDMA PF=64 (USB disconnected) 21.6 mA
WCDMA PF=64 (USB connected) 31.6 mA
LTE-FDDPF=64 (USB disconnected) 23.7 mA
LTE-FDDPF=64 (USB connected) 36.5 mA
WCDMA
datatransfer(GNSS
OFF)
WCDMA B2 HSDPA @22.09dBm 542.0 mA
WCDMA B2 HSUPA @22.28dBm 681.0 mA
WCDMA B4 HSDPA @21.94dBm 550.0 mA
WCDMA B4 HSUPA @21.81dBm 547.0 mA
WCDMA B5 HSDPA @22.13dBm 429.0 mA
WCDMA B5 HSUPA @22.48dBm 459.0 mA
LTE
datatransfer(GNSS
OFF)
LTE-FDD B2 @22.79dBm 709.0 mA
LTE-FDD B4 @22.89dBm 710.0 mA
LTE-FDD B12 @23.39dBm 679.0 mA
WCDMA voice call WCDMA B2 @23.67dBm 663.0 mA