Specifications

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8
GND
P
Ground
9
ANT
RF
WLAN radio antenna pad
10
WAKE
I/O
WLAN wake
11
VIO
I/O
Power supply for I/O
12
VCC
I/O
VDD3.3V for digital IO
13
CS
I/O
Power down select
P: Power, I: Input, O: Output, I/O: In/Output, RF: Analog RF Port
3. Electrical and Thermal Specifications
3.1 Recommended Operating Conditions
Parameters
Min
Typ
Max
Units
Ambient Operating Temperature
-20
25
70
℃
External Antenna VSWR (Voltage Standing Wave Ratio)
--
--
--
Supply Voltage
VDD
3.1
3.3
3.5
V
3.2 Digital I/O DC Specifications
Symbol
Parameter
Min
Typ
Max
Units
VIH
Input High Voltage
2.0
3.3
3.6
V
VIL
Input Low Voltage
--
0
0.9
V
VOH
Output High Voltage
2.97
--
3.3
V
VOL
Output Low Voltage
0
--
0.33
V
4. WiFi RF Specifications
4.1 2.4G WiFi RF Specification
Conditions : VDD=3.3V ; Ta:25℃
Features
Description
WLAN Standard
IEEE 802.11b, IEEE 802.11g,IEEE 802.11n
Frequency Range
2.4~2.4835GHz (2.4GHz ISM Band)