Google Chromecast Ultra - 4K UHD, Wi-Fi 802.11ac (2.4GHz/5GHz), HDMI, Micro USB (Power), Ethernet, Works with iPhone, iPad, Android Phone/Tablet, Mac/Windows Laptop, Chromebook, Black - GA3A00403A14 at TigerDirect.com
Best Buy: Google Chromecast Ultra 4K Streaming Media Player Black NC2-6A5-D
Chromecast 2 (2015) doesn't work on 5GHz : r/Chromecast
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Best Buy: Google Chromecast Ultra 4K Streaming Media Player Black NC2-6A5-D
Google Chromecast Ultra
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Google's updated Chromecast with Bluetooth also has better 5GHz Wi-Fi
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YONGCHY TV Stick For chromecast ultra 4k 5ghz 5g WiFi Wireless Display Dongle HDMI Miracast Airpaly DLNA TV Cast receiver iOS/Android/PC: Amazon.co.uk: Electronics & Photo
Google Chromecast Ultra Review: Still Going Strong | Digital Trends
In Barn: Google Chromecast Ultra - Twittering Machines
Best Buy: Google Chromecast Ultra 4K Streaming Media Player Black NC2-6A5-D
Google Announces Chromecast Ultra: 4K & HDR for Chromecast
Google Chromecast Ultra Review: Still Going Strong | Digital Trends
Chromecast Ultra vs. 3rd-gen Chromecast: Which one should you buy in 2019?