I am quite pleased with the performance of this antenna. I have tried multiple internal and external/internal TV antennas including the Antennas Direct Clearstream 4V (whose retail price is 10X the price of this one!). To date, this is among the best performing antennas I have tried In fact, the VHF reception with this antenna is the best of any I have tried (including the far more expensive Clearstream antenna).
Indoors, on the ground floor level of my house with the antenna positioned in a window (with blinds closed) behind my TV, I am able to receive multiple watchable digital stations. At times, I am able to get most of the UHF band digital TV stations available in the DC metro area including the Maryland PBS station. Also, depending on antenna position and adjustment of the VHF (rabbit ears) component of this antenna I can get either of the two VHF stations but not both simultaneously (i.e. I can get Channel 9 broadcast stations if angled and aligned properly but must realign and raise/lower the VHF element (rabbit ears) and rescan with my TV to get the Channel 7 broadcast stations (losing Channel 9 stations when I do)).
As with all Over The Air (OTA) TV Antennas, this antenna appears to be impacted by atmospheric conditions so that depending on cloud cover and time of day, my reception degrades or improves. Still, I get a selection of watchable stations at any time (just not all of them). Given that I got this on a Best Buy Deal of the Day for under $10, I find it very impressive for the price.
Unfortunately, reception with this antenna is still not sufficient for me to cut the cable (yet!) which is why I only gave it 4 stars. Still, I would recommend it to anyone wanting to have a back up option for the rare instances when cable is out so they have something to watch. Also, at least for Cox cable customers in the DC metro area, it provides access to several local stations that are not available through Cox (at least for the lowest cost Cox TV option). These include at least two of the Channel 14 stations, at least one of the Channel 7 stations and at least one of the Channel 66 stations,