A MOBILE DEVICE HAVING AN INTERIOR MULTIBAND ANTENNA AND A PARTIALLY METAL BACK

摘要

A mobile device having an interior multiband antenna and a partially metal back is provided. The device comprises: a back side comprising: a conducting central portion; non-conducting portions comprising respective widths from respective end edges of the back side to the conducting central portion, the conducting central portion separating the non-conducting portions; an interior chassis covered by the back side; antennas located on the interior chassis behind each of the non-conducting portions, each of the antennas comprising at least two respective radiating arms configured to resonate in at least three frequency ranges; one or more antenna feeds connected to each of the antennas; and, a switch configured to select one or more of the antennas for operation.