No Roku player will provide you with OTA channels. They don't have tuners. There are networked OTA tuners that have apps/channels available on Roku devices. I use the Silicon Dust HDHomeRun Flex 4K, which provides four separate tuners so four different people could be watching different channels. It's also capable of recording OTA programs, but that doesn't involve the Roku, and requires configuration via a computer.
There are other network tuners available, but I'm not familiar enough to make any suggestions. Silicon Dust sells several different models. The one I mentioned above also supports ATSC 3.0, which is the new digital TV standard for North America. While it will offer the ability of 4K OTA broadcasts, I'm not aware of any station actually broadcasting in 4K at the moment. This is still a new technology, and not all stations are broadcasting 3.0 yet. In my area (near Seattle) I have ten separate stations broadcasting in 3.0, but these are still in testing mode, and these ten stations are actually only using two or three frequencies. They haven't migrated their existing stations (with their sub-channels) onto the 3.0 standard yet. Since there's so few TVs available yet with 3.0 tuners, it will be some time before they all switchover.
Dan
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