User’s Manual Wireless Module
Page 4 of 22
2.2 Hardware Information
2.2.1 General view
Fig 1
2.2.2 Block Diagram
Fig 2. With onboard PCB antenna used
2.2.3 Mechanical Information
A. Physical Dimensions:
a. Semi-holes with 2.0mm pitch (onboard PCB antenna).
Fig 3.
RF
Receiver
RF
Transmitter
Baseband
MAC/
Packet
Buffer/
Encrption
Engine
DATA-
USB
Interface
VCC(3.3V)
DATA+
GND
RT5370
RF
Front
End
USB
Interface
USB WiFi Module
TX CONTROL
EXTERNAL LED
3.3V/1.5V
5V/3.3V
PCB antenna
2412~2462MHz
WPS CONTROL
