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Yes it does need an antenna to get free tv, otherwise if you scan for channels without an antenna it will not pick up any channels.
Sorry, there was a problem. Please try again later.Hello, thank you for the question. Yes, this TV does require an external antenna if you want to watch free over the air channels. The Insignia 32" F20 Series Fire TV has a built‑in tuner, but it can only receive local broadcast stations when an antenna is connected to the coax port. After connecting one, you can run a channel scan in the TV settings to load your local channels. Poojitha | Insignia
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