# 7.5 Using H12

To connect the **H12 device** (with AeroGCS GREEN installed) to the drone, follow these steps:

1. **Open the Connect Aircraft Screen**: 
   * Navigate to the **Connect Aircraft** screen in AeroGCS GREEN.
2. **Select Communication Link Type**: 
   * From the list of communication link types, choose **H12** as shown in

<figure><img src="https://3726973265-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEJHDgY5EjEXnZCA7cAxk%2Fuploads%2FRS7muWIDB5YVBwphbi2t%2Fimage.png?alt=media&#x26;token=d3b0d142-2897-4ce3-a1dd-315bb32778fd" alt=""><figcaption><p>Connect with H12</p></figcaption></figure>

3. **Connect to the Drone:**&#x20;
   * Tap the **Connect** button to establish a connection between your H12 device and the drone.
4. **Connection Confirmation:**&#x20;
   * Once connected, a confirmation message will appear, indicating that the drone is successfully connected.

<figure><img src="https://3726973265-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEJHDgY5EjEXnZCA7cAxk%2Fuploads%2Fw7ViRYlF11AX2ogtIbyK%2Fimage.png?alt=media&#x26;token=5f6b12ad-095f-4208-b4b4-38322f140ba4" alt=""><figcaption><p>Drone Connected</p></figcaption></figure>

> **📡 Choose the Right Communication Protocol**&#x20;
>
> &#x20;Select Protocol Based on Application and Range&#x20;
>
> * &#x20;Different communication protocols are available.&#x20;
> * Choose the one that best suits your application needs and device range.&#x20;
>
> **Remember**: Selecting the correct protocol ensures reliable connection and optimal performance.