GNSS Module | GPS, GLONASS, QZSS, SBAS | based on SiRFstarV™

The W2SG0021i module is robust, reliable and compact GNSS receiver module based on CSR's SiRFStarV™ architecture, featuring excellent receiver performance. It provides easy, flexible and scalable way for system manufacturers to add GNSS positioning, locationing and/or navigation capabilities to their products. This module includes integrated MAC, baseband, RF front-end, LNA, crystal, oscillator, SAW filter; and is fully optimized to yield excellent receive sensitivity performance through careful design. It supports UART, I2C and SPI host interfaces. It is certified for global markets and supports full operation in industrial operating temperature range.


  • Small footprint: 7 mm x 7 mm x 2 mm
  • Compact, robust, reliable design for easy integration
  • GNSS Technology based on SiRFStarV™ architecture
  • Concurrent tracking of signals from GPS, GLONASS, QZSS satellite systems
  • Support for SBAS (WAAS, EGNOS, MSAS, GAGAN)
  • Protocols for output data: NMEA and OSP
  • Support for UART, I2C and SPI host interfaces
  • Global certifications available: FCC, IC, CE
  • Excellent receiver sensitivity up to -165 dBm
  • Single power supply operation, 1.8V DC
  • Ultra-low power consumption
  • Optimized RF and electrical design
  • Supports industrial temperature range operation (-40 to +85 degrees)

Block Diagram