The present invention relates to an antenna arrangement for a portable radio communication device having a metal casing, the antenna arrangement comprising: a front side part (5) also forming a ground plane means for the portable radio communication device, a first back side part (4) connected to the front side part through a top side part (6), a second back side part (7) connected to the front side part through a bottom side part (8), wherein the bottom and top side parts are positioned at opposite ends of the front side part, and the first and second back side parts are positioned and distanced from each other by a gap, and the front side part and back side part also forming a back piece of the metal casing for the portable radio communication device, and the antenna arrangement comprises a magnetic type antenna element (1) positioned partly in the gap and positioned partly over the first back side part, partly over the top side part or partly over the front side part.