Quectel EC21 Series User Manual

LTE Standard Module Series
EC21_Series_Hardware_Design
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5.4. Power Consumption
The values of current consumption are shown below.
Table 45: EC21-E Current Consumption
Description Conditions Typ. Unit
OFF state Power down 13 μA
Sleep state
AT+CFUN=0 (USB disconnected) 1.4 mA
EGSM900 @ DRX = 9 (USB disconnected) 1.8 mA
DCS1800 @ DRX = 9 (USB disconnected) 1.8 mA
WCDMA PF = 64 (USB disconnected) 2.4 mA
WCDMA PF = 128 (USB disconnected) 1.9 mA
LTE-FDD PF = 64 (USB disconnected) 3.2 mA
LTE-FDD PF = 128 (USB disconnected) 2.1 mA
Idle state
(GNSS OFF)
EGSM900 @ DRX = 5 (USB disconnected) 22.0 mA
EGSM900 @ DRX = 5 (USB connected) 32.0 mA
WCDMA PF = 64 (USB disconnected) 22.5 mA
WCDMA PF = 64 (USB connected) 32.7 mA
LTE-FDD PF = 64 (USB disconnected) 22.5 mA
LTE-FDD PF = 64 (USB connected) 32.5 mA
GPRS data transfer
(GNSS OFF)
EGSM900 4DL/1UL @ 32.3 dBm 220 mA
EGSM900 3DL/2UL @ 32.18 dBm 387 mA
EGSM900 2DL/3UL @ 30.3 dBm 467 mA
EGSM900 1DL/4UL @ 29.4 dBm 555 mA
DCS1800 4DL/1UL @ 29.6 dBm 185 mA
DCS1800 3DL/2UL @ 29.1 dBm 305 mA

Quectel EC21 Series Specifications

General

Brand	Quectel
Model	EC21 Series
Category	Control Unit
Language	English