User's Manual

GWM400 Product Technical Specification and User Guide
3.2 Block Diagram
25
GWM400_HID_v02 2017-07-05
Confidential / Prelimenary
Page 19 of 38
3.2 Block Diagram
Figure 3 shows a block diagram of a sample configuration that incorporates a GWM400 and
typical accessories.
Figure 3: Block diagram
GWM400
ELS61-AUS
RS-232
driver
SIM card
interface
Power regulation
RF antenna
interface
LED
RF antenna interface
Host
controller
Power supply
External application
SIM
card
Antenna