You may need a portable Wi-Fi router and an HDMI-to-VGA adapter with audio support.
One alternative is to try connecting your Apple TV through a hotspot.
Some hotel networks are slow and have multiple guests sharing bandwidth and using the web connection simultaneously.

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A slow web connection means the content you’re streaming will lag and stutter.
Movies may stop, and navigating to new shows may take a while.
Consider linking up to ahome media server, such as VLC.

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