Product Info

LTE Standard Module Series
EC21 Hardware Design
EC21_Hardware_Design 86 / 120
LTE-FDD B20 @23.57dBm 770 mA
GSM voice call
EGSM900 PCL=5 @33.08dBm 264.0 mA
DCS1800 PCL=0 @29.75dBm 190.0 mA
WCDMA voice call
WCDMA B1 @23.69dBm 683 mA
WCDMA B5 @23.61dBm 741 mA
WCDMA B8 @23.35dBm 564 mA
Table 35: EC21-A Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down 10 uA
Sleep state
AT+CFUN=0 (USB disconnected)
1.25 mA
WCDMA PF=64 (USB disconnected) 2.03 mA
WCDMA PF=128 (USB disconnected) 1.65 mA
LTE-FDD PF=64 (USB disconnected) 2.31 mA
LTE-FDD PF=128 (USB disconnected) 1.85 mA
Idle state
(GNSS OFF)
WCDMA PF=64 (USB disconnected) 23.1 mA
WCDMA PF=64 (USB connected) 32.8 mA
LTE-FDD PF=64 (USB disconnected) 22.8 mA
LTE-FDD PF=64 (USB connected) 32.8 mA
WCDMA data transfer
(GNSS OFF)
WCDMA B2 HSDPA @21.54dBm 479.0 mA
WCDMA B2 HSUPA @22.19dBm 530.0 mA
WCDMA B4 HSDPA @22.15dBm 539.0 mA
WCDMA B4 HSUPA @21.82dBm 531.0 mA
WCDMA B5 HSDPA @22.22dBm 454.0 mA
WCDMA B5 HSUPA @21.45dBm 433.0 mA