# Appendix 3 – GNSS Orientation Guide

This literature explains the GNSS characteristics for all the GNSS-enabled devices by Influx Technology. The GNSS orientation requirements for installing ReXgen IMU-compatible devices.

*  The ReXgen Air devices

 The document majorly focuses on explaining orientations for:

[gnss-positioning](https://docs.influxtechnology.com/support_guides/rexdesk-configuration-software-s/rexdesk-rexgen-series-configuration-software/rexdesk-manual/appendix-3-gnss-orientation-guide/gnss-positioning "mention")

[dead-reckoning](https://docs.influxtechnology.com/support_guides/rexdesk-configuration-software-s/rexdesk-rexgen-series-configuration-software/rexdesk-manual/appendix-3-gnss-orientation-guide/dead-reckoning "mention")

[geofencing](https://docs.influxtechnology.com/support_guides/rexdesk-configuration-software-s/rexdesk-rexgen-series-configuration-software/rexdesk-manual/appendix-3-gnss-orientation-guide/geofencing "mention")