User's Guide

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1.3. Installation Guidelines
Careful planning and preparation of any installation will always benefit the end result, always read and follow all installation
instructions. Follow ESD precautions and prepare an SD safe workspace for installation. Turn the power to the host off and ground
yourself to dissipate static charge.
Mount only in sockets and locations intended for Mini PCIe cards consult manufacturer on thermal management
recommendations for the module mounted within the host.
1.4. Application scenario
The HSPA module DWM-800A supports Voice Call, SMS, MMS and internet access functions. The block diagram of
DWM-800A is as follows:
Figure1-1 DWM-800A block diagram