Does not seem to do much...
I have a 2010 Accord and the stock radio pulled in all stations within the Tri-state area even to the north of New Haven. I am not sure if it is the radio, the antenna or if the stock radio sent a signal to increase power or what, but this seems to be the weak link. I have to get at least into Norwalk, CT in order to pick up a Hot 97 when I was able to pick it up with the stock past New Haven! 770 WABC and AM stations, I was able to listen them all the way up in MA! I get AM but with FM I have to literally be right up on the tower! I did notice that the origial connector had some metel on the inside but this piece is lacking it. Maybe this is the problem?