A multifunctional radio (100) includes a housing (10) and at least one speaker (16). The housing has an external interface (144) for connecting an external device. The at least one speaker is fixed in the housing. The at least one speaker is electronically adapted by the external device. The multifunctional radio may be connected with an MP3 player device. Therefore, the MP3 player may transform an electronic signal into sound by means of the speakers of the multifunctional radio.

 
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> Method of managing resources in a cognitive radio communication system

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