LTE Standard Module Series
2.4. Pin Description
The following table shows the DC characteristics and pin descriptions.
Table 5: I/O Parameters Definition
Table 6: Pin Description
Type
Description
AI
Analog Input
AO
Analog Output
AIO
Analog Input/Output
DI
Digital Input
DO
Digital Output
DIO
Digital Input/Output
OD
Open Drain
PI
Power Input
PO
Power Output
Power Supply
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
VBAT_BB
59, 60
PI
Power supply for the
module’s baseband part
Vmax = 4.5 V
Vmin = 3.4 V
Vnom = 3.8 V
It must be
provided with
sufficient current
up to 0.8 A.
VBAT_RF
57, 58
PI
Power supply for the
module’s RF part
Vmax = 4.5 V
Vmin = 3.4 V
Vnom = 3.8 V
It must be
provided with
sufficient current
up to 1.8 A.
VDD_EXT
7
PO
Provide 1.8 V for
external circuit
Vnom = 1.8 V
I
O
max = 50 mA
It can provide a
pull-up power to
the external