Hi,
I want to buy an antenna but I don't know which one to choose. It seems like there are so many different types of antenna's being sold. Can anyone tell me the difference between the Omni antenna, Panel antenna, Parabolic antenna, Sectors antenna, and the Yagi antenna's? I have a friend that has a wireless AP and I would like to connect to his access point and share his bandwidth. He lives around 6 blocks down the street and I really don't have a line of sight to his house but I could probably put the antenna on my roof and point it towards his house. Please let me know which antenna type I should use and please describe each type of antenna. I would also like to know what kind of antenna is the strongest and if I should build my own or not (If I build my own, I would like a really powerful one, any instructions on how to build one online?). Also, what is dbi and what does it mean if I get a 24db antenna versus a 5dbi antenna. I heard that 36db is the highest I can get without breaking FCC law or something like that. If not, I would really like to build a 50dbi antenna if instructions were provided. Any help would be greatful. I would really like to get one soon.
Thanks.