User's Manual
Table Of Contents
- Preface
- Contents
- 1 System description
- 1.1 Overview
- 1.2 Architecture
- 1.3 Pin-out
- 1.4 Operating modes
- 1.5 Supply interfaces
- 1.6 System function interfaces
- 1.7 Antenna interface
- 1.8 SIM interface
- 1.9 Serial interfaces
- 1.9.1 Asynchronous serial interface (UART)
- 1.9.1.1 UART features
- 1.9.1.2 UART AT interface configuration
- 1.9.1.3 UART signal behavior
- 1.9.1.4 UART and power-saving
- AT+UPSV=0: power saving disabled, fixed active-mode
- AT+UPSV=1: power saving enabled, cyclic idle/active-mode
- AT+UPSV=2: power saving enabled and controlled by the RTS line
- AT+UPSV=3: power saving enabled and controlled by the DTR line
- Wake up via data reception
- Additional considerations for SARA-U2 modules
- 1.9.1.5 Multiplexer protocol (3GPP 27.010)
- 1.9.2 Auxiliary asynchronous serial interface (UART AUX)
- 1.9.3 USB interface
- 1.9.4 DDC (I2C) interface
- 1.9.1 Asynchronous serial interface (UART)
- 1.10 Audio interface
- 1.11 General Purpose Input/Output (GPIO)
- 1.12 Reserved pins (RSVD)
- 1.13 System features
- 1.13.1 Network indication
- 1.13.2 Antenna detection
- 1.13.3 Jamming detection
- 1.13.4 TCP/IP and UDP/IP
- 1.13.5 FTP
- 1.13.6 HTTP
- 1.13.7 SMTP
- 1.13.8 SSL
- 1.13.9 Dual stack IPv4/IPv6
- 1.13.10 Smart temperature management
- 1.13.11 AssistNow clients and GNSS integration
- 1.13.12 Hybrid positioning and CellLocate®
- 1.13.13 Firmware upgrade Over AT (FOAT)
- 1.13.14 Firmware upgrade Over The Air (FOTA)
- 1.13.15 In-Band modem (eCall / ERA-GLONASS)
- 1.13.16 SIM Access Profile (SAP)
- 1.13.17 Power saving
- 2 Design-in
- 2.1 Overview
- 2.2 Supply interfaces
- 2.2.1 Module supply (VCC)
- 2.2.1.1 General guidelines for VCC supply circuit selection and design
- 2.2.1.2 Guidelines for VCC supply circuit design using a switching regulator
- 2.2.1.3 Guidelines for VCC supply circuit design using a Low Drop-Out (LDO) linear regulator
- 2.2.1.4 Guidelines for VCC supply circuit design using a rechargeable Li-Ion or Li-Pol battery
- 2.2.1.5 Guidelines for VCC supply circuit design using a primary (disposable) battery
- 2.2.1.6 Additional guidelines for VCC supply circuit design
- 2.2.1.7 Guidelines for external battery charging circuit
- 2.2.1.8 Guidelines for external battery charging and power path management circuit
- 2.2.1.9 Guidelines for VCC supply layout design
- 2.2.1.10 Guidelines for grounding layout design
- 2.2.2 RTC supply (V_BCKP)
- 2.2.3 Interface supply (V_INT)
- 2.2.1 Module supply (VCC)
- 2.3 System functions interfaces
- 2.4 Antenna interface
- 2.5 SIM interface
- 2.6 Serial interfaces
- 2.6.1 Asynchronous serial interface (UART)
- 2.6.1.1 Guidelines for UART circuit design
- Providing the full RS-232 functionality (using the complete V.24 link)
- Providing the TXD, RXD, RTS, CTS and DTR lines only (not using the complete V.24 link)
- Providing the TXD, RXD, RTS and CTS lines only (not using the complete V.24 link)
- Providing the TXD and RXD lines only (not using the complete V24 link)
- Additional considerations
- 2.6.1.2 Guidelines for UART layout design
- 2.6.1.1 Guidelines for UART circuit design
- 2.6.2 Auxiliary asynchronous serial interface (UART AUX)
- 2.6.3 Universal Serial Bus (USB)
- 2.6.4 DDC (I2C) interface
- 2.6.1 Asynchronous serial interface (UART)
- 2.7 Audio interface
- 2.7.1 Analog audio interface
- 2.7.1.1 Guidelines for microphone and speaker connection circuit design (headset / handset modes)
- 2.7.1.2 Guidelines for microphone and loudspeaker connection circuit design (hands-free mode)
- 2.7.1.3 Guidelines for external analog audio device connection circuit design
- 2.7.1.4 Guidelines for analog audio layout design
- 2.7.2 Digital audio interface
- 2.7.1 Analog audio interface
- 2.8 General Purpose Input/Output (GPIO)
- 2.9 Reserved pins (RSVD)
- 2.10 Module placement
- 2.11 Module footprint and paste mask
- 2.12 Thermal guidelines
- 2.13 ESD guidelines
- 2.14 SARA-G350 ATEX and SARA-U270 ATEX integration in explosive atmospheres applications
- 2.15 Schematic for SARA-G3 and SARA-U2 series module integration
- 2.16 Design-in checklist
- 3 Handling and soldering
- 4 Approvals
- 5 Product testing
- Appendix
- A Migration between LISA and SARA-G3 modules
- A.1 Overview
- A.2 Checklist for migration
- A.3 Software migration
- A.4 Hardware migration
- B Migration between SARA-G3 and SARA-U2
- C Glossary
- Related documents
- Revision history
- Contact
SARA-G3 and SARA-U2 series - System Integration Manual
Examples of antennas
Table 32 lists some examples of possible internal on-board surface-mount antennas.
Manufacturer Part Number Product Name Description
Taoglas PA.25.A Anam GSM / WCDMA SMD Antenna
824..960 MHz, 1710..2170 MHz
36.0 x 6.0 x 5.0 mm
Taoglas PA.710.A Warrior GSM / WCDMA / LTE SMD Antenna
698..960 MHz, 1710..2170 MHz, 2300..2400 MHz, 2490..2690 MHz
40.0 x 6.0 x 5.0 mm
Taoglas PCS.06.A Havok GSM / WCDMA / LTE SMD Antenna
698..960 MHz, 1710..2170 MHz, 2500..2690 MHz
42.0 x 10.0 x 3.0 mm
Antenova A10340 Calvus GSM / WCDMA SMD Antenna
824..960 MHz, 1710..2170 MHz
28.0 x 8.0 x 3.2 mm
Ethertronics P522304 Prestta GSM / WCDMA SMD Antenna
824..960 MHz, 1710..2170 MHz
35.0 x 9.0 x 3.2 mm
2J 2JE04 GSM / WCDMA SMD Antenna
824..960 MHz, 1710..2170 MHz
24.0 x 5.5 x 4.4 mm
Yaego ANT3505B000TWPENA GSM / WCDMA SMD Antenna
824..960 MHz, 1710..2170 MHz
35.0 x 5.0 x 6.0 mm
Table 32: Examples of internal surface-mount antennas
Table 33 lists some examples of possible internal off-board PCB-type antennas with cable and connector.
Manufacturer Part Number Product Name Description
Taoglas FXP14.A.07.0100A GSM / WCDMA PCB Antenna with cable and U.FL connector
824..960 MHz, 1710..2170 MHz
70.4 x 20.4 mm
Taoglas FXP14R.A.07.0100A GSM / WCDMA PCB Antenna with cable and U.FL connector
Integrated 10k shunt diagnostic resistor
824..960 MHz, 1710..2170 MHz
80.0 x 20.8 mm
Taoglas PC29.09.0100A TheStripe GSM / WCDMA PCB Antenna with cable and MMCX(M)RA connector
824..960 MHz, 1710..2170 MHz
80.4 x 29.4 mm
Taoglas FXUB63.07.0150C GSM / WCDMA / LTE PCB Antenna with cable and U.FL connector
698..960 MHz, 1575.42 MHz, 1710..2170 MHz, 2400..2690 MHz
96.0 x 21.0 mm
Ethertronics P522310 Prestta GSM / WCDMA PCB Antenna with cable and U.FL connector
824..960 MHz, 1710..2170 MHz
41.0 x 15.0 mm
EAD FSQS35241-UF-10 SQ7 GSM / WCDMA / LTE PCB Antenna with cable and U.FL connector
690..960 MHz, 1710..2170 MHz, 2500..2700 MHz
110.0 x 21.0 mm
Yaego ANTX100P001BWPEN3 GSM / WCDMA PCB Antenna with cable and I-PEX connector
824..960 MHz, 1710..2170 MHz
50.0 x 20.0 mm
Table 33: Examples of internal antennas with cable and connector
UBX-13000995 - R12 Early Production Information Design-in
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