u-blox SARA-G3 Series User Manual

SARA-G3 series
GSM/GPRS modules
System Integration Manual
Abstract
This document describes the features and the system integration
of SARA-G3 series GSM/GPRS wireless modules.
These modules are complete and cost efficient solutions offering
up to quad-band GSM/GPRS voice and/or data transmission
technology in a compact form factor.
www.u-blox.com
26.0 x 16.0 x 3.0 mm
UBX-13000995 - R06

u-blox SARA-G3 Series Specifications

General

Manufacturer	u-blox
Series	SARA-G3
Technology	GSM/GPRS
Product Category	GSM/GPRS Modules
Frequency Bands	850/900/1800/1900 MHz
Data Rate	Up to 85.6 kbps
Operating Temperature	-40°C to +85°C
Interfaces	UART, I2C, GPIO
Approvals	CE, FCC, IC

Summary

1 System description

1.2 Architecture

1.3 Pin-out

1.4 Operating modes

1.5 Supply interfaces

Covers module power supply inputs and outputs.

1.6 System function interfaces

Covers module power-on, reset, and clock signals.

1.7 Antenna interface

Covers the RF interface requirements for the antenna.

1.8 SIM interface

Details the requirements for connecting SIM cards and detection.

1.9 Serial interfaces

Outlines the UART, UART AUX, and DDC interfaces.

1.10 Audio interface

Covers analog and digital audio interfaces.

1.11 General Purpose Input/Output (GPIO)

Details the usage and configuration of GPIO pins.

1.13 System features

1.13.8 Smart temperature management

1.13.9 AssistNow clients and GNSS integration

1.13.10 Hybrid positioning and CellLocateTM

1.13.11 Firmware upgrade Over AT (FOAT)

1.13.14 Power saving

2 Design-in

2.1 Supply interfaces

Covers module power supply inputs and outputs.

2.2 System functions interfaces

Details module power-on and reset functions.

2.3 Antenna interface

Covers antenna selection and RF interface design.

2.4 SIM interface

Covers SIM card connection and detection.

2.5 Serial interfaces

Covers UART, UART AUX, and DDC interfaces.

2.6 Audio interface

Covers analog and digital audio interfaces.

2.7 General Purpose Input/Output (GPIO)

Details the usage and configuration of GPIO pins.

2.9 Module placement

2.10 Module footprint and paste mask

2.11 Thermal guidelines

Guidelines for managing module thermal performance.

2.12 ESD guidelines

Covers ESD immunity test overview and requirements.

2.13 SARA-G350 ATEX integration in explosive atmospheres applications

Guidelines for ATEX integration.

2.14 Schematic for SARA-G3 series module integration

Example schematic for module integration.

2.15 Design-in checklist

Checklist for schematic and layout design.

3 Handling and soldering

3.2 Soldering

Covers soldering procedures.

4 Approvals

4.2 Federal Communications Commission and Industry Canada notice

4.3 R&TTED and European Conformance CE mark

4.5 SARA-G350 ATEX conformance for use in explosive atmospheres

ATEX conformance for explosive atmospheres.

5 Product Testing

5.1 u-blox in-series production test

A Migration between LISA and SARA-G3 modules

A.4.1 Supply interfaces

Compares supply interface differences.

A.4.2 System functions interfaces

Compares system function interfaces.

A.4.3 Antenna interface

A.4.4 SIM interface

A.4.5 Serial interfaces

A.4.6 Audio interfaces

A.4.7 GPIO pins

B Migration between SARA-G3 and SARA-U2Overview