... Antenna BNC SL16This is a Professional FM GP Antenna for 5w,7w,15w,30w,50w,100w fm transmitter,it is much better than ... 1/4 wave Gp antenna,it ... want other frequency ,we can customize for you ,and it will need 15 days.) Use for:5w,7w,15w, ... 13:37:35 5w-100W 1/2 wave Professional FM Transmitter GP Antenna BNC SL16