Voted the best 4' VHF antenna by PowerBoat Reports! The shorter length, standard mounting and excellent range makes it ideal for smaller boats, high speed boats and sail boats.  

• Stainless steel ferrule  
• High-gloss urethane finish  
• Powerful brass radiators  
• Soldered connections  
• Ferrite choke bead  
• 15' of our exclusive low loss, UV stable RG-8X marine cable  
• Factory installed mini-UHF connector  
• Mounts 1?-14 threaded base  
• Max Input Power = 250 Watts  
• VSWR = 1.2:1 @ 156.8  
• Bandwidth VSWR < 2.0:1 = 4 Mhz  
• Matching Cellular Antennas:
• 563-CW: 4' White 9dB Gain
• 563-CB: 4' Black 9dB Gain  
• Matching AM/FM Antennas:  531-AW: 4' White  531-AB: 4' Black  
• Matching CB Antennas:  548-CBW: 4' White  548-CBB: 4' Black  

WARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.