The Diamond VX-50 is a discreet amateur radio antenna without radial. It is ideal for installations where space is an issue, strong winds or where discretion is needed. It is one-piece and its resistance to wind is very low.     

        Features:

• Length:1.7m
• Weight:0.85kg
• Gain:4.5dBi (144MHz) 
•          7.2dBi (430MHz)
• Max.power rating:100W (Total)
• Ιmpedance:50Ω  
• SWR:Less than 1.5
• Rated wind velocity:60m/sec.
• Mast diameter Accepted: φ30-φ62
• Connector:PL Female (SO-239)
• Type: 6/8 wave radialless (144MHz)
•           3 x 5/8 wave radialless(430MHz)
• FRP outershell