LM940 Hardware Design Guide
1VV0301352 Rev. 18 Page 8 of 75 2022-01-04
1. INTRODUCTION
Scope
This document introduces the Telit LM940 module and presents possible and
recommended hardware solutions for developing a product based on the LM940 module.
All the features and solutions detailed in this document are applicable to all LM940
variants, where “LM940” 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: LM940 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. 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 a product using the Telit LM940 module.
Note: The integration of the WCDMA/HSPA+/LTE LM940 cellular
module within a user application must be carried out 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 LM940 module.
Contact Information, Support
For general contact, technical support services, technical questions and report of
documentation errors contact Telit Technical Support at:
•
TS-EMEA@telit.com
•
TS-AMERICAS@telit.com
•
TS-APAC@telit.com
•
TS-SRD@telit.com
•
TS-ONEEDGE@telit.com
Alternatively, use:
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