Multi-band antenna and portable electronic device thereof
A multi-band antenna is disposed on a circuit board having a feeding line. The feeding line has a signal-transmitting end and a ground end. The multi-band antenna includes a feeding portion coupled to the signal-transmitting end, a ground portion coupled to the ground end, an intermediate-frequency sheet section extending from the feeding portion toward a first direction, a low-frequency arm, and a high-frequency arm. The low-frequency arm extends from a side of the intermediate-frequency sheet section toward a second direction opposite to the first direction. The high-frequency arm includes first and second bending portions. The first bending portion extends from the side of the intermediate-frequency sheet section toward the second direction so as to connect to the ground portion. The first bending portion has a recess. The second bending portion extends into the recess for transceiving signals within a first frequency band cooperatively with the first bending portion.
Wistron Corporation
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Chen-Yu
Chou