LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 74 / 94
LTE data transfer
(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 data transfer
(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
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