# Replacement parts, alternatives and upgrades NXP sells the complete drone kits and separate FMU modules and telemetry radios. The list of components available directly from NXP is available here: {% hint style="success" %} * [KIT-HGDRONEK66](https://www.nxp.com/applications/solutions/industrial/unmanned-aerial-vehicles-uavs/auvs-drones-and-rovers/nxp-hovergames-drone-kit-including-rddrone-fmuk66-and-peripherals:KIT-HGDRONEK66) - Complete drone hardware kit including RDDRONE-FMUK66 * [RDDRONE-FMUK66](https://www.nxp.com/support/developer-resources/nxp-designs/rddrone-fmuk66-px4-robotic-drone-fmu-reference-design:RDDRONE-FMUK66) - NXP flight controller using the 180 MHz Kinetis K66 (also previously known as the NXPhlite FMU) * [HGD-TELEM915](https://www.nxp.com/part/HGD-TELEM915) - Holybro 915 MHz telemetry radio set (Americas) * [HGD-TELEM433](https://www.nxp.com/part/HGD-TELEM433) - Holybro 433 MHz telemetry radio set (Europe) Other FMUs, HGDRONE kits and equipment will have similar naming conventions as they are introduced. {% endhint %} Many other parts are commonly found at hobby shops or on online retailers. Some suggested sourced are listed in the following pages. In addition many parts or upgrades can be fabricated or 3d printed. --- # 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://nxp.gitbook.io/hovergames/userguide/replacement-parts-alternatives-and-upgrades.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.