A:AnswerYou can remove the feet, but you need to install this TV on a wall mount (DX-HTMF1620) or monitor mount (NS-PMM6120).
We don't have a center stand for this TV.
A:AnswerYou can hook up an antenna into the RF jack on the back of the TV.
For more information, please visit https://www.fcc.gov/media/engineering/dtvmaps
A:AnswerYou can download the Roku channel app on this TV and hook up an external Roku device into one of the HDMI inputs on the TV. Unfortunately the Spectrum app is not available for download.
A:AnswerThe set is 21 1/2 inches wide and 12 1/2 inches high but with the feet of the stand add at least another 1 1/2" to the height. Hope this helps.