Antenna and communication equipment

The invention discloses an antenna and communication equipment, and belongs to the technical field of wireless. The antenna comprises a dielectric substrate, a coaxial wire, a feed unit, an antenna unit, a grounding unit and a patch unit, the dielectric substrate comprises a first surface and a second surface; the feed unit comprises an annular feed part and a plurality of sections of impedance conversion lines; the coaxial lead passes through the annular feed part and the dielectric substrate; the antenna unit comprises a first antenna unit arranged on the first surface and a second antenna unit arranged on the second surface; the first antenna unit is connected with the multiple sections of impedance conversion lines of the feed unit to form a windmill structure; the second antenna unit is connected with the multiple transmission lines of the grounding unit to form a windmill structure. According to the scheme, the antenna unit is connected with the power division network and the grounding unit, and windmil