User's Guide
UL865 Hardware User Guide
1VV0301050 Rev 2 – 2013-10-09
This document contains the following chapters:
Chapter 1: “Introduction” provides a scope for this document, target audience, contact and support
information, and text conventions.
Chapter 2: “Overview” provides an overview of the document.
Chapter 3: “UL865 Mechanical Dimensions”
Chapter 4: “UL865 Module Connections” deals with the pin out configuration and layout.
Chapter 5: “Hardware Commands” How to operate on the module via hardware.
Chapter 6: “Power supply” Power supply requirements and general design rules.
Chapter 7: “GSM/WCDMA Radio Section” The antenna connection and board layout design are the
most important parts in the full product design.
Chapter 8: “Logic Level specifications” Specific values adopted in the implementation of logic levels
for this module.
Chapter 9: “USB ports” The serial port on the Telit UL865 is the core of the interface between the
module and OEM hardware
Chapter 10: “Serial ports” The serial port on the Telit UL865 is the core of the interface between the
module and OEM hardware
Chapter 11: “Audio Section overview”
Chapter 12: “General Purpose I/O” How the general purpose I/O pads can be configured.
Chapter 13 “DAC and ADC Section” Deals with these two kind of converters.
Chapter 14: “Mounting the UL865 on the application board” Recommendations and specifics on how
to mount the module on the user’s board.
Chapter 15: “Packaging system” Recommendations and specifics on how the system is packaged.
Chapter 16: “Conformity Assessment Issues”
Chapter 17: “Safety Recommendations”