Patent attributes
A dual-band antenna (10) is disposed on a substrate (200). The substrate includes a first surface (210) and a second surface (220). The dual antenna includes a feeding portion (110), a first radiation portion (120), a second radiation portion (130), a first grounded portion (140) , a second grounded portion (150), and a connecting portion (160). The feeding portion is disposed on the first surface, for feeding electromagnetic signals. The first radiation portion, disposed on the first surface, is electronically connected to the feeding portion. The second radiation portion, disposed on the second surface, is electronically connected to the feeding portion. The first grounded portion is disposed on one side of the feeding portion. The second grounded portion is disposed on the other side of the feeding portion. The connecting portion is for electronically connecting the first radiation portion, the second radiation portion, and the feeding portion.
