# Recording GNSS Data

The device consists of an internal GNSS module and an external active antenna with a supply voltage of 3V. This receiver can evaluate signals from the GNSS/QZSS, GLONASS, BeiDou and Galileo satellites. GNNS data can be logged at sampling rates up to 30HZ.

## GNSS Orientation

The GNSS orientation requirements for installing ReXgen Air devices majorly focus on explaining orientations for:

[gnss-positioning](https://docs.influxtechnology.com/support_guides/rexgen-series-product-manuals/rexgen-air-product-manual/rexgen-air-product-manual/hardware-and-functionality/functionality/recording-gnss-data/gnss-positioning "mention")

[dead-reckoning](https://docs.influxtechnology.com/support_guides/rexgen-series-product-manuals/rexgen-air-product-manual/rexgen-air-product-manual/hardware-and-functionality/functionality/recording-gnss-data/dead-reckoning "mention")

[geofencing](https://docs.influxtechnology.com/support_guides/rexgen-series-product-manuals/rexgen-air-product-manual/rexgen-air-product-manual/hardware-and-functionality/functionality/recording-gnss-data/geofencing "mention")

For a step-by-step guide, [<mark style="color:blue;">click</mark>](https://docs.influxtechnology.com/configuration-software-s/rexdesk-rexgen-series-configuration-software/rexdesk-manual/quick-start-guide/preparation-of-configuration/logging-gnss-data) here.

[<mark style="color:blue;">Configure IMU - Video Tutorial</mark>](https://youtu.be/KUwLP4XFf9E?si=sZGrIGUxgLPa6tEH)

[<mark style="color:blue;">Configure GNSS - Video Tutorial</mark>](https://youtu.be/TE59JPbtrsU?si=E15n_X756QTE9jH4)