The invention relates to a problem with how to achieve a wideband multiband internal antenna device. This is ob-tained by providing an antenna device that radiates in at least two frequency bands, comprising a first and a second frequency band, comprising: an essentially planar radiating conductive element (3) comprising a first and a second portion, wherein said first portion radiates essentially in the first frequency band and the second portion radiates essentially in the second frequency band, wherein said first and second portions are generally rectangular, essentially orthogonal to each other and have a common portion, whereby a wide first frequency band is provided.
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