Here is another you might check out. I have used these myself and they are very good units. The pricing is competitive. They also have poll mount amps but you need to call them for details, they are around the same price though.
http://wispgear.com/vpasp/shopquery.asp?catalogid=131 Charlie -- general wireless list, a bawug thing <http://www.bawug.org/> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
