User's Manual

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 74 / 94
LTE
datatransfer(GNSS
OFF)
LTE-FDD B1 @23.65dBm 765.0 mA
LTE-FDD B3 @23.2dBm 825.0 mA
LTE-FDD B5 @23.2dBm 598.0 mA
LTE-FDD B7 @23.7dBm 762.0 mA
LTE-FDD B8 @23.1dBm 569.0 mA
Table 37: EC21-V 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
LTE-FDD PF=64 (USB disconnected) 2.5 mA
LTE-FDD PF=128 (USB disconnected) 2.0 mA
Idle state
(GNSS OFF)
LTE-FDD PF=64 (USB disconnected) 22.0 mA
LTE-FDD PF=64 (USB connected) 32.0 mA
LTE
datatransfer(GNSS
OFF)
LTE-FDD B4 @22.79dBm 752.0 mA
LTE-FDD B13 @23.26dBm 534.0 mA
Table 38: EC21-AUV 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) 2.0 mA
WCDMA PF=128 (USB disconnected) 1.6 mA
LTE-FDD PF=64 (USB disconnected) 2.4 mA
LTE-FDD PF=128 (USB disconnected) 1.9 mA
Idle state
(GNSS OFF)
WCDMA PF=64 (USB disconnected) 24.0 mA
WCDMA PF=64 (USB connected) 34.0 mA