> For the complete documentation index, see [llms.txt](https://ezr34t.router.works/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ezr34t.router.works/manual/firmware.md).

# Firmware

Powered by **open-source firmware**, the 5G outdoor CPE firmware is plug-and-play, easy to use, root authority granted, and with advanced tools.

Integrated 5G modem drivers and multiple cellular protocols.\
Supports dual SIM cards, band lock, and 4G/5G IP passthrough.

Supports WiFi relay, guest WiFi, WiFi schedule, custom firewall, multiple-WAN, and OpenVPN IPSec WireGuard VPN tunnels.

You can visit our knowledge base at [www.outdoorrouter.xyz](http://www.outdoorrouter.xyz) for more firmware setting tips.

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[4.1 Connect to Router](/manual/firmware/4.1-connect-to-router.md)
{% endcontent-ref %}

{% content-ref url="/pages/dwUeHCk700wUf1PjpEog" %}
[4.2 System Admin](/manual/firmware/4.2-system-admin.md)
{% endcontent-ref %}

{% content-ref url="/pages/oNYiRbmdaLtxv1BjExx8" %}
[4.3 WiFi Hotspots](/manual/firmware/4.3-wifi-hotspots.md)
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{% content-ref url="/pages/Eu37iFk1WTSgWfoX3uoB" %}
[4.4 5G-NR Modem](/manual/firmware/4.4-5g-nr-modem.md)
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{% content-ref url="/pages/oNIqcIgi81Z2JEQLKmOz" %}
[4.5 LAN and WAN](/manual/firmware/4.5-lan-and-wan.md)
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[4.6 Recovery](/manual/firmware/4.6-recovery.md)
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{% hint style="warning" %}
Do not use any third-party firmware on the outdoor router.
{% endhint %}