User's Manual

LE920A4 HW User Guide Introduction
Doc#: 1VV0301261 Scope
Rev. 4.3 Page 9 of 123 2017-12-07
1. Introduction
Scope
This document introduces the Telit LE920A4 module and presents possible and
recommended hardware solutions for developing a product based on this module. All the
features and solutions detailed in this document are applicable to all module variants,
where “module” refers to the variants listed in the applicability table.
If a specific feature is applicable to a specific product only, it will be clearly marked.
NOTE:
Module refers to all modules listed in the Applicability Table.
This document takes into account all the basic functions of a wireless module; a valid
hardware solution is suggested for each function, and incorrect solutions and common
errors to be avoided are pointed out.
Obviously, this document cannot embrace every hardware solution or every product that
can be designed. Obviously, avoiding invalid solutions must be considered mandatory.
Where the suggested hardware configurations need not be considered mandatory, the
information given should be used as a guide and a starting point for properly developing
your product with the Telit module.
NOTE:
The integration of the module within a user application must be done
according to the design rules described in this manual.
Audience
This document is intended for Telit customers, especially system integrators, about to
implement their applications using the Telit module.
Contact Information, Support
For general contact, technical support services, technical questions and report
documentation errors, contact Telit Technical Support at:
• [e-mail]
• [e-mail]
• [e-mail]
• [e-mail]