> For the complete documentation index, see [llms.txt](https://drotek.gitbook.io/rtk-f9p-positioning-solutions/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://drotek.gitbook.io/rtk-f9p-positioning-solutions/the-rtk-base/choosing-a-base-module.md).

# Choosing a base module

Choosing the right base module is the first step in order to build an RTK setup that is truly efficient.

The role of the base is as important as the rover's, as the two modules will communicate information about their position, and that having an **accurate positioning for your base will provide best results** for computing the rover module position.

Even though the chip featured on all of Drotek's RTK modules is the same, the **Sirius RTK** module is **designed specifically** for the base role and can't be beaten in this application.


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