User's Manual

Information in this document is subject to change without prior notice. Page 4 of 13
Figure 3: System Block Diagram of 4 pin GWF-4M02 5.0V WLAN Module
Figure 4: System Block Diagram of 4 pin GWF-4M02 3.3V WLAN Module
RF
Receiver
RF
Transmitter
Baseband
MAC/
Packet
Buffer/
Encrption
Engine
DM(DATA-)
USB
Interface
VCC(5.0V)
DP(DATA+)
GND
RT5572
LNA
USB
Interface
External antennas
2.412~2.4835GHz
4.915~5.825 GHz
Antenna
Antenna
Dual Band
40MHz XTAL
PA
2.4G/5GHz
Duplexer
2.4G/5GHz
Duplexer
3.3V/1.5V 5V/3.3V
RF
Receiver
RF
Transmitter
Baseband
MAC/
Packet
Buffer/
Encrption
Engine
DM(DATA-)
USB
Interface
VCC(3.3V)
DP(DATA+)
GND
RT5572
LNA
USB
Interface
External antennas
2.412~2.4835GHz
4.915~5.825 GHz
Antenna
Antenna
Dual Band
40MHz XTAL
PA
2.4G/5GHz
Duplexer
2.4G/5GHz
Duplexer
3.3V/1.5V