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 data transfer
(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 data transfer
(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
Open Sky @Passive Antenna
35
mA
Open Sky @Active Antenna
43
mA
Quectel
Confidential
