13
Wi-Fi
version
Version
802.11 b/g/n
14
Commun
ication
Interface
UART Serial port
15
Antenna
Type
PCB On Board
Antenna/IPX Block
Sub
50Ω characteristic impedance, can be changed by
yourself
16
Operatin
g
Temperat
ure
-40 ~ +85℃
Industrial grade (chip range, please modify according
to crystal parameters)
17
Working
Humidit
y
10% ~ 90%
Relative humidity, non-condensing
18
Storage
temperat
ure
-40 ~ +85℃
Industrial grade
1.4 Electrical Features
Parameter
Condition
Min
Typical
Max
Unit
Storage
temperature
range
-40
room
temper
ature
85
℃
Operating Voltage
2.4
3.3
3.6
V
At will
IO
VIL/VI
H
-
0.5/0.65VD
D
-
0.35VDD/
VDD+0.5
V
VOL/V
OH
N/2.4
-
0.4/N
IMAX
-
-
3.5
mA