... -100W 1/2 wave Professional FM Transmitter GP Antenna BNC SL16This is a Professional FM GP Antenna for 5w,7w,15w,30w ... fm transmitter,it is much better than 1/4 wave Gp antenna,it will make your FM transmitter Broadcast more far ... :5w,7w,15w,30w,50w,100w fm transmitterUpdate Date:2011-05-14 13:37:35 5w-100W 1/2 wave Professional ...