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Smart SAM3W User Guide V1.1
7 Functionality
7.1 General
The Smart SAM3W modem consists of an RJ45 socket for serial port and input power, an FME male
antenna connector and a SIM holder. The LED indicator, located next to the SIM holder, indicates the Smart
SAM3W operating status. It also has a USB port to download firmware.
FME connector
USB
MiniB
Switching
Power
GSM/GPRS
Supply
UMTS/HSPA+
ENGINE
RJ45
ARM Cortex
Socket
M3
SIM Interface
Serial Data
RS232
switches
Serial Data
Interface
LED Indicator
The Smart SAM3W Functional Block Diagram
9
Ver1.1
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