An omnidirectional ultra-wideband monopole antenna, with the characteristics of simple structure, easy fabrication and low cost, mainly comprises a ground plane, a U-shaped radiating member above the ground plane and a feeding member.

• 一种可提供超宽频操作频带之全向性超宽频单极天线，其具有结构简单、制作简单以及成本低廉的特性。