User's Manual

Information in this document is subject to change without prior notice. Page 3 of 13
Operating
Voltage/current
5.0VDC ± 5% ; <350mA @802.11n,HT40 ; or 3.3VDV± 5% <500mA, @802.11n,HT40
5.0VDC ± 5% ; <450mA @802.11a,HT40 ; or 3.3VDV± 5% <630mA, @802.11a,HT40
Host interface
USB 2.0
Interface
7-pin or 4-pin, 2.0mm , or 4-pin 2.54 mm pitch pin header
Dimensions/Weight
48x18mm / 3.6g
3.2 Block Diagram
Figure 1: System Block Diagram of 7 pin GWF-4M02 5.0V WLAN Module
Figure 2: System Block Diagram of 7 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
TX CONTROL
EXTERNAL LED
WPS CONTROL
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
TX CONTROL
EXTERNAL LED
WPS CONTROL
PA
2.4G/5GHz
Duplexer
2.4G/5GHz
Duplexer
3.3V/1.5V