S321 Survey Smart Antenna

Hemisphere S321 GNSS Survey Smart Antenna

The S321 GNSS Smart Antenna from Hemisphere GNSS has reached End of Life (EOL) and has been replaced by the new S321+ GNSS Smart Antenna.



The S321 GNSS Smart Antenna is the all-new multi-GNSS, muli-frequency, smart antenna from Hemisphere GNSS. Whether you are doing GIS, Construction, Mapping, Land or Marine/Land Surveying, the S321 can be tailored to meet your needs.

With multiple wireless communications ports and an open GNSS interface, the S321 can be used in a variety of operating modes. Use the S321 as a precise base station sending RTK to your existing rover network. Turn S321 into a lightweight and easy to use rover by connecting it to your base via UHF radio or Wi-Fi network. The built-in web user interface can be used to control and manage the receiver status and operation, as well as to upgrade the S321 with new rmware and activations. S321 is Athena-enabled and Atlas-capable.

The S321 system includes the Hemisphere GNSS XF3 data collector, which features Windows Mobile 6.5 operating system, 3.7″ screen, 806MHz CPU, 256MB RAM, Bluetooth v2.1, Wireless LAN, electronic compass (optional), integrated 5 megapixel digital camera and much more.

Carlson SurvCE field survey software is offered with the S321 system and XF3 controller to provide a complete solution for the professional surveyor.


  • GNSS configurable
  • L-Band DGNSS
  • Wi-Fi, UHF, Cellular, and Bluetooth communication ports
  • Powerful web UI control accessed via Wi-Fi
  • 4GB SD memory card
  • Rugged enclosure for use in the most demanding environments
  • Atlas L-band global corrections
  • Athena RTK engine for instantaneous high accuracy

Technical Specifications

Receiver Type:Multi-Frequency GNSS
Positioning Modes:RTK, L-band, DGNSS, SBAS, Autonomous
TrackingGPS,GLONASS, BeiDou, QZSS, Galileo, SBAS
Dimensions:14.1 cm (D) x 14.0 cm (H)
5.5 inches (D) x 5.5 inches (H)
Weight:<1.38 kgs (<3.05 lbs)
Operating temperature:-30 °C to +60 °C


The S321 GNSS Survey Smart Antenna can be ordered from Canal Geomatics. Please contact us using the Request Pricing form for additional information.