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Hi, Preston! You can only get a 4k HDR/UHD picture using an HDMI connection. Antenna services mostly run through coaxial cable. You may need to Alexa to change TV channels using voice command. Please check the link below for more details: https://www.sony.com/electronics/support/televisions-projectors-lcd-tvs-android-/xbr-49x900f/articles/00197643 ~Earl
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