Patent ID: 9685706
Date: 2017-06-20
CPC Classifications: H01Q

Claim:
1. A full-band antenna system, including: a metal backing having two narrow crevices, between which a plurality of intervals are provided, the crevices dividing the metal backing into a header, a middle cover and a lower head; a main antenna module below the metal backing, the main antenna module including a circuit board comprising a substrate and an earth plate stacked on the substrate, a feed part on the circuit board, a ground point and a matching circuit; the matching circuit including an one-end grounded variable capacity; wherein the feed part and the matching circuit are stacked on the substrate, and the feed part is connected electrically with the matching circuit; the ground point is on the earth plate; the feed part and the ground point both are connected electrically with the lower head; the earth plate has semi-closed gap corresponding to the crevices between the middle cover and the lower head.