[ADTech]

Reading reviews on Amazon is the absolute WORST possible way to select an antenna. Antenna selection is more of a science and most reviewers are a very, very long way away from being scientists. Reviews set unrealistic expectations because the reader cannot possibly know the factors that lead to either success or failure for any particular customer.

Start with your precise location and a defined list of requirements and capabilities/restrictions. Someone who is experienced can then go over those lists and determine what is and isn't doable and what's needed to try and pull it off. As already noted a few days ago, you prospects are very poor for your stated goals.