# Introduction In this book, you will find what RTK stands for, what possibilities U-blox **ZED-F9P** chip has to offer, and how to use it. You will also find an introduction to the Drotek RTK ZED-F9P GNSS module and how to use it, how to choose the right module, and how to work with it the most efficiently in order to give your system the best centimetric accuracy for your applications! ![](/files/-LYgdRy-HcGiKPE4FsVN) \ **Drotek** has been an official **partner** of **u-blox** for many years. We develop a lot of smart GNSS modules with only **genuine** chips from them. ![](/files/-LYfhHNARf1pG9h4K7Er) If you have suggestions, if you spotted errors, if you think there are mistakes, or if you think you can help making this book better, feel free to email me at **docs\[at]drotek.com**! --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://drotek.gitbook.io/rtk-f9p-positioning-solutions/master.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.