Quectel EC21 Series User Manual

LTE Standard Module Series
EC21_Series_Hardware_Design
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5.2. Power Supply Ratings
Table 43: Power Supply Ratings
Parameter Description Conditions Min. Typ. Max. Unit
VBAT
VBAT_BB and VBAT_RF
The actual input voltages
must be kept between the
minimum and maximum
values.
3.3 3.8 4.3 V
Voltage drop during burst
transmission
Maximum power control
level on EGSM900
- - 400 mV
I
VBAT
Peak supply current
(during transmission slot)
Maximum power control
level on EGSM900
- 1.8 2.0 A
USB_VBUS USB connection detection - 3.0 5.0 5.25 V
5.3. Operating and Storage Temperatures
The operating and storage temperatures are listed in the following table.
Table 44: Operating and Storage Temperatures
Parameter Min. Typ. Max. Unit
Operating Temperature Range
10
-35 +25 +75 ºC
Extended Temperature Range
11
-40 - +85 ºC
Storage Temperature Range -40 - +90 ºC
10
Within operation temperature range, the module is 3GPP compliant.
11
Within extended temperature range, the module remains the ability to establish and maintain a voice, SMS, data
transmission, emergency call*, etc. There is no unrecoverable malfunction. There are also no effects on radio spectrum
and no harm to radio network. Only one or more parameters like P
out
might reduce in their value and exceed the specified
tolerances. When the temperature returns to the normal operation temperature levels, the module will meet 3GPP
specifications again.

Quectel EC21 Series Specifications

General

Brand	Quectel
Model	EC21 Series
Category	Control Unit
Language	English