The S631 is Hemisphere’s all-new multi-GNSS, multi-frequency smart antenna. The S631 provides robust performance and high precision in a compact and rugged package. With multiple wireless communication ports and an open GNSS interface, the S631 can be used in a variety of operating modes. Use the S631 as a precise base station sending RTK to your existing rover network. Turn S631 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 (WebUI) can be used to control and manage the receiver status and operation, as well as to upgrade the S631 with new firmware and activations. S631 is Athena-enabled and Atlas-capable (subscription required).
The S631 receiver is powered by Athena RTK technology. With Athena, S631 provides state-of-the-art RTK performance when receiving corrections from a static base station or network RTK correction system. With multiple connectivity options, the S631 allows for RTK corrections to be received over radio, cell modem, Wi-Fi, Bluetooth, or serial connection. S631 delivers centimeter-level accuracy with virtually instantaneous initialization times and cutting-edge robustness in challenging environments.
The S631 receiver also enables users to work with Atlas. Atlas is Hemisphere’s industry-leading global correction service, which can be added as a subscription to the S631. Atlas delivers world-wide centimeter-level correction data over L-band communication satellites. With Atlas, S631 users are able to experience sub-decimeter positioning performance anywhere on earth, without the need to be near a GNSS or communication infrastructure.
• Multi-frequency GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and Atlas L-band
• Long-range RTK baselines up to 50 km with fast acquisition times
• UHF (400 MHz & 900 MHz), cellular, Bluetooth, and Wi-Fi wireless communication
• Athena GNSS engine providing best-in-class RTK performance
• Internal sensor corrects collected point coordinates to within 2 cm
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