GNSS Module Series
LC79D Hardware Design
LC79D_Hardware_Design 7 / 42
1 Introduction
This document provides information on the interface specifications, electrical and mechanical details, as
well as other related information of Quectel LC79D GNSS module. To facilitate application designs, it also
includes some reference designs for customers’ reference. This document, coupled with application notes
and user guides, makes it easy to design applications with LC79D module.
1.1. Safety Information
The following safety precautions must be observed during all phases of operation, such as usage, service
or repair of any terminal incorporating Quectel LC79D module. Manufacturers of the terminal should notify
users and operating personnel of the following safety information by incorporating these guidelines into all
manuals supplied with the product. If not so, Quectel assumes no liability for any user’s failure to observe
these precautions.
Ensure that the use of the product meets the national safety and environmental
regulations, and is allowed in the country and in the environment required.
Keep away from explosive and flammable materials. The use of electronic products
in extreme power supply conditions and locations with potentially explosive
atmospheres may cause fire and explosion hazards.
The product has to be powered by a stabilized voltage source, and the wiring shall
conform to security and fire prevention regulations.
Proper ESD handling procedures must be applied throughout the mounting,
handling and operation of any application that incorporates the module to avoid
ESD damages.
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