u-blox SARA-G340

u-blox SARA-G340

Part no.: SARA-G340-01S
Manufacturer: u-blox

Availability: In Stock

The u-blox SARA-G340 is a compact global 2G/3G wireless module that supports a wide range of wireless bands and network standards. It offers reliable and high-speed data transfer capabilities, making it suitable for various applications such as telematics, tracking, and industrial IoT solutions.

The module supports quad-band GSM/GPRS and dual-band UMTS/HSPA, providing global coverage for voice and data communication. It also supports embedded TCP/IP and UDP/IP protocols, enabling easy integration with existing systems.

Key features of the u-blox SARA-G340 include low power consumption, making it ideal for battery-powered devices. It also offers extended operating temperature range for reliable performance in harsh environments. The module is equipped with integrated SIM card support, eliminating the need for external SIM card holders. The u-blox SARA-G340 also provides over-the-air firmware update capability, allowing for easy maintenance and future upgrades.


  • GSM - GSM 850/900/1800/1900 MHz 1
  • GPRS - GPRS Class 10, CS1-CS4 - up to 85.6 kb/s PBCCH support
  • CSD - GSM max 9.6 kb/s
  • AT Commands - 3GPP 27.005, 3GPP 27.007 u-blox AT command extension 3GPP 27.010 MUX protocol
  • SMS - MT/MO Text/PDU mode
  • Firmware upgrade - Via UART
    - Voice HR / FR / EFR / AMR Echo cancellation Noise reduction
    - Protocols Embedded TCP/IP, UDP/IP, HTTP/FTP, HTTPs & FTPs 3
    - Network Jamming detection
    - GNSS Interfaces Direct access to u-blox GNSS via module AssistNow software for faster acquisition CellLocate & Hybrid Positioning
    - Special features inBand modem eCall and ERA-GLONASS support

Electrical data

  • Power supply - 3.00 to 4.50 V (extended) Power consumption 
    - Power Off: < 40 μA 
    - Idle mode 4: < 0.9 mA
    - Idle mode 5: < 5.0 mA 
    - Connected: < 250 mA



  • Common to all modules:
    - Antenna : 50 Ω SMT pad 
    - Serial : Port 1 UART for data and AT commands 1 UART for tracing and firmware update 
    - SIM : 1.8 V and 3 V 


96 pin LGA: 16.0 x 26.0 x 3.0 mm, < 5 g

Environmental data, quality & reliability

  • Operating temperature -40 to +85°C (extended range) 
  • RoHS compliant (lead-free) 
  • Qualification according to ISO 16750 
  • Manufactured in ISO/TS 16949 certified production sites 
  • ATEX / IECEx certification (SARA-G350 ATEX) Contact us 

Certifications and approvals

  • SARA modules offer a comprehensive set of regulatory certifications and approvals, including R&TTE, GCF, PTCRB, FCC, IC, NCC, ICASA, and Anatel. See the u-blox website for latest approvals.

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u-blox SARA-G340

u-blox SARA-G340

Part no.: SARA-G340-01S
Manufacturer: u-blox

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