> For the complete documentation index, see [llms.txt](https://docs.eseye.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.eseye.com/hera204/get-started/operation-modes.md).

# Operation Modes

The Hera 204 series router supports various operation modes. It can be connected to the internet (WAN) via mobile, standard Ethernet cable or via a wireless network. When connecting to the internet, you may also backup your main WAN connection with a backup connection. Initially, the router uses its Primary WAN connection. If the Primary connection fails to connect then the router will connect via the secondary connection.

| WAN Interface | Main WAN | Backup WAN | LAN |
| ------------- | -------- | ---------- | --- |
| Mobile        | ✓        | ✓          | ✗   |
| Ethernet      | ✓        | ✓          | ✓   |
| Wi-Fi         | ✓        | ✓          | ✓   |

Subsequent sections will provide detailed instructions on configuring the router to operate in the preferred mode.

{% hint style="info" %}
Wi-Fi Client configuration is not described in the manual. Please contact Eseye Support for more information.
{% endhint %}


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