| 主权项 |
1. A multi-antenna structure with high-isolation effect, comprising:
a substrate, formed as a symmetric polygonal metal board having at least five sides, having a plurality of grooves and a plurality of board edges; and a plurality of antennas, each of the antennas being constructed vertically to the respective board side, each of the board edges being allowed only to mount at most one said antenna, a conjunction portion of one said antenna and the substrate including a support member and a feed-in member, a radiation member of the antenna being extended from the conjunction portion and also perpendicular to the support member and the feed-in member, an free extension end of the radiation member being defined as a radiation end; wherein, in the case that any two said neighboring antennas are crossed in a manner of virtual extension lines extended from the corresponding free radiation ends, at least two grooves are constructed on the substrate by being disposed between the two said neighboring antennas; wherein, in the case that any two said neighboring antennas are not crossed in a manner of virtual extension lines from the corresponding free radiation ends, at least one groove is constructed on the substrate to separate the two neighboring antennas so as thereby to avoid possible signal interference between these two antennas. |
