Help & troubleshooting for network issues, including connecting your device to your home Wi-Fi network, connecting to public networks, troubleshooting wireless issues & ethernet connections, and optimizing streaming performance.
5g (5th generation) refers to a cellular phone protocol. I assume you're asking if Roku can be used with the 5 GHz wifi band.
The two Streaming Stick products and the Ultra are the current Roku products with dual band wifi capability and can use both 2.4 GHz and 5 GHz bands. The lower end products, Express and Premier, have single band wifi receivers that support only the 2.4 GHz band.
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