I don't know who the 2020 models are designed, 'input' wise, but my Palazzo has a 'entertainment box', a box of many buttons, that determines what you want each TV to be able to view... it's ON / OFF button is the 'booster' you refer to - the 12v power to the Antenna signal for Over the Air channels.
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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