Optimized for VHF and UHF frequencies, this RCA ANTB25 antenna works with most ATSC digital tuners and NTSC analog tuners when signals are present, including HDTV and standard definition, to offer a reliable backup for when storms block transmission.
Just to get this unit to hold on to a signal, I had to tape it to the closest window just so I didn't have to stand there and hold it. Kind of defeats the purpose of not using an outdoor antenna. This one pretty much needs to be outside anyway. TV is only 4ft away from the same window.