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SAM3Gplus User Guide V2.5
6 Functionality
6.1 General
The SAM3Gplus modem consists of an RJ45 connector for serial port and input power, a miniB USB
connector, an SMB Jack antenna connector and a SIM holder. The LED indicator, located on top, indicates
the SAM operating status.
SMB connector
3G ENGINE
SIM Interface
The SAM3Gplus Functional Block Diagram
8
LED Indicator
Switching
Power
Supply
uController
RS232
Serial Data
Interface
Ver2.5
MiniB
USB
Connector
RJ45
Socket
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