# Dimensions and Important Component Locations
### Control Hub Dimensions
### IMU Location
When using the Control Hub ([REV-31-1595](https://www.revrobotics.com/rev-31-1595/)) or Expansion Hub ([REV-31-1153](https://www.revrobotics.com/rev-31-1153/)) please note the location of the IMU in the graphic below. The Hub’s orientation may impact the values received from the embedded IMU.
### Wi-Fi Radio Location
The Control Hub has an embedded Wi-Fi radio for wireless communication. The antenna is located towards the top of the Control Hub itself. The graphic below shows the location of antenna.
{% hint style="warning" %}
DO NOT put a battery or other Wi-Fi blocking object on top of the Control Hub. This can lead to higher ping times for communication between the Control Hub and the Driver Station.
{% endhint %}
### Driver Hub Wi-Fi Antenna Location
{% hint style="info" %}
Approximate location of Wi-Fi antenna indicated by the orange line
{% endhint %}
---
# 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://docs.revrobotics.com/duo-control/control-system-overview/dimensions.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.