Quectel EC21 Series

LTE Standard Module Series
EC21_Series_Hardware_Design
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Table 51: EC21-J Current Consumption
Idle state
(GNSS OFF)
WCDMA PF = 64 (USB disconnected) 22.0 mA
WCDMA PF = 64 (USB connected) 32.0 mA
LTE-FDD PF = 64 (USB disconnected) 23.6 mA
LTE-FDD PF = 64 (USB connected) 33.6 mA
WCDMA data
transfer
(GNSS OFF)
WCDMA B1 HSDPA @ 22.59 dBm 589.0 mA
WCDMA B1 HSUPA @ 22.29 dBm 623.0 mA
WCDMA B5 HSDPA @ 22.22 dBm 511.0 mA
WCDMA B5 HSUPA @ 21.64 dBm 503.0 mA
LTE data transfer
(GNSS OFF)
LTE-FDD B1 @ 23.38 dBm 813.0 mA
LTE-FDD B3 @ 22.87 dBm 840.0 mA
LTE-FDD B5 @ 23.12 dBm 613.0 mA
LTE-FDD B7 @ 22.96 dBm 761.0 mA
LTE-FDD B28 @ 23.31 dBm 650.0 mA
WCDMA voice
call
WCDMA B1 @ 24.21 dBm 687.0 mA
WCDMA B5 @ 23.18 dBm 535.0 mA
Description Conditions Typ. Unit
OFF state Power down 10 μA
Sleep state
AT+CFUN = 0 (USB disconnected) 0.85 mA
LTE-FDD PF = 64 (USB disconnected) 2.20 mA
LTE-FDD PF = 128 (USB disconnected) 1.46 mA
Idle state
(GNSS OFF)
LTE-FDD PF = 64 (USB disconnected) 23.5 mA
LTE-FDD PF = 64 (USB connected) 33.8 mA
LTE data transfer (GNSS
OFF)
LTE-FDD B1 @ 23.35 dBm 734.0 mA