User's Manual

LTE Module Series
EC25Hardware Design
EC25_Hardware_DesignConfidential / Released 72 / 90
GSM
voice call
GSM900 PCL=5 @32.2dBm 231.7 mA
DCS1800PCL=0 @23.35dBm 188.8 mA
WCDMA voice call
WCDMA B1 @22.89dBm 724.7 mA
WCDMA B5 @22.92dBm 698.2 mA
WCDMA B8 @22.82dBm 628.2 mA
Table 34: EC25-A Current Consumption
Parameter Description Conditions Typ. Unit
I
VBAT
OFF state Power down 20 uA
Sleep state
AT+CFUN=0 (USB disconnected)
0.99 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
WCDMA PF=64 (USB disconnected) 22.0 mA
WCDMA PF=64 (USB connected) 32.0 mA
LTE-FDDPF=64 (USB disconnected) 22.0 mA
LTE-FDDPF=64 (USB connected) 33.0 mA
WCDMA
datatransfer(GNSS
OFF)
WCDMA B2 HSDPA@22.86dBm 600.0 mA
WCDMA B2 HSUPA@22.51dBm 584.6 mA
WCDMA B4 HSDPA@22.46dBm 578.7 mA
WCDMA B4 HSUPA@22.27dBm 576.4 mA
WCDMA B5 HSDPA@22.38dBm 492.0 mA
WCDMA B5 HSUPA@21.07dBm 483.2 mA
LTE
datatransfer(GNSS
OFF)
LTE-FDD B2 @23.17dBm 781.0 mA
LTE-FDD B4 @23.05dBm 785.7 mA
LTE-FDD B12 @23.3dBm 667.3 mA