Those who compare the teardowns of previous-generation Roku devices with the new Ultra will notice several significant differences in the componentry.
Deep Dive Teardown of the Roku Streaming Stick 4K+ 2821R2
IoT module hosts LTE-optimized transceiver, SIM card, includes data plan
What to consider when selecting a Wi-Fi antenna
Teardown: The Roku 1 media streamer - EDN Asia
Stream movies, TV shows, live sports, and more in 4K HDR and Dolby Vision with fast, smooth streaming with the Roku Ultra. Start streaming with a Roku
Roku Ultra - 4802R
Best streaming player deals still available on Fire TV, Chromecast
Roku Ultra, Our most powerful streaming device
Roku introduces a new Ultra player, a 2-in-1 'Streambar' and a new OS with support for AirPlay 2
Teardown: The Roku 1 media streamer - EDN
Roku Ultra 2022 4k Setup
Teardown: Playstation 5 DualSense controller
Teardowns Archives - Microcontroller Tips