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1.4 Electrical Features
Parameter
Storage
range
Operating Voltage
At will
IO
Wi-Fi
802.11 b/g/n
version
Version
UART Serial port
Commun
ication
Interface
Antenna
PCB On Board
Type
Antenna/IPX Block
Sub
-40 ~ +85℃
Operatin
g
Temperat
ure
Working
10% ~ 90%
Humidit
y
Storage
-40 ~ +85℃
temperat
ure
Condition
temperature
VIL/VI
H
VOL/V
OH
IMAX
50Ω characteristic impedance, can be changed by
yourself
Industrial grade (chip range, please modify according
to crystal parameters)
Relative humidity, non-condensing
Industrial grade
Min
Typical
-40
room
temper
ature
2.4
3.3
-
0.5/0.65VD
D
N/2.4
-
Max
85
3.6
-
0.35VDD/
VDD+0.5
-
0.4/N
-
3.5
Unit
℃
V
V
mA
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