User's Manual

GWM300 Hardware Interface Overview
3.2 Block Diagram
26
GWM300_HIO_v01 2016-01-26
Confidential / Released
Page 20 of 35
3.2 Block Diagram
Figure 3 shows a block diagram of a sample configuration that incorporates a GWM300 and
typical accessories.
Figure 3: Block diagram
GWM300
EHS6
RS-232
driver
SIM card
interface
Power regulation
RF antenna
interface
LED
RF antenna interface
Host
controller
Power supply
External application
SIM
card
Antenna