| 摘要 |
<p>An antenna device for a portable radio communication device adapted for receiving radio signals a first radiating element (10) and a second radiating element (20). A filter and amplifier stage (30) interconnects the first radiating element and a receiver device for radio signals. By operating in two modes, wherein the second radiating element (20) is connected and disconnected, respectively, an antenna device can operate depending on operating conditions and user preferences.</p> |
