User's Manual

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 75 / 94
LTE-FDD PF=64 (USB disconnected) 24.0 mA
LTE-FDD PF=64 (USB connected) 34.0 mA
WCDMA
datatransfer(GNSS
OFF)
WCDMA B1 HSDPA@22.05dBm 586.0 mA
WCDMA B1 HSUPA@22.29dBm 630.0 mA
WCDMA B5 HSDPA@22.43dBm 576.0 mA
WCDMA B5 HSUPA@22.43dBm 600.0 mA
WCDMA B8 HSDPA@22.44dBm 577.0 mA
WCDMA B8 HSUPA@21.78dBm 555.0 mA
LTE
datatransfer(GNSS
OFF)
LTE-FDD B1 @23.12dBm 721.0 mA
LTE-FDD B3 @23.04dBm 734.0 mA
LTE-FDD B5 @23.16dBm 669.0 mA
LTE-FDD B8 @23.21dBm 698.0 mA
LTE-FDD B28 @23.57dBm 790.0 mA
WCDMA voice call
WCDMA B1 @22.72dBm 640.0 mA
WCDMA B5 @23.19dBm 638.0 mA
WCDMA B8 @23.27dBm 626.0 mA
Table 39: GNSS Current Consumption of EC21 Series Module
Parameter Description Conditions Typ. Unit
I
VBAT
(GNSS)
Searching
(AT+CFUN=0)
Cold start @Passive Antenna 58 mA
Lost state @Passive Antenna 58 mA
Tracking
(AT+CFUN=0)
Instrument Environment 33 mA
OpenSky @Passive Antenna 35 mA
OpenSky @Active Antenna 43 mA