on top of the power pole that feeds to my house and the neighbors is something that looks like an outdoor light, but instead is just a square type of box with an antenna attached to the bottom. Two leads come out of it and look like they are attached to the power lines. Anyone ever seen one of these or know what they are for? I first thought maybe it was some new type of internet system avaliable, or maybe a new way to read the elec. bill. How would I find out about what this is?