
User
Manual
Ver.
1
General
Specification
General
Specification
Model
Name
iWM438
Product
Description
Wi-Fi
802.11b/g/n
+
BLE
4.1
+
MCU
Module
Dimension
16
mm
x
32
mm
x
3.1mm
±0.5mm
MCU
main
flash
memory
1MB
External
flash
2MB
Module
Interface
SPI/UART/I2C/SWD
Ambient
temperature
-20°C
to
70°C
Storage
temperature
-40°C
to
85°C
Humidity
Operating
Humidity
10%
to
95%
Non-Condensing
Storage
Humidity
5%
to
95%
Non-Condensing
Voltage
Absolute
Maximum
Ratings
Symbol
Description
Min. Max.
Unit
VDD_3V3
Power
supply
for
SIP
Module
-0.4
3.7
V
Recommended
Operating
Ratings
Symbol
Min. Typ. Max.
Unit
VDD_3V3
3.0
3.3
3.6
V
INGICS
TECHNOLOGY
CO.,
LTD.
•
•
WWW.INGICS.COM
5