An accessory for use with an existing portable electronic device has a housing that removably couples to a housing of the existing portable electronic device such that the accessory and portable electronic device function and can be portably carried as a single unit. A tunable FM radio receiver in the housing receives an FM broadcast signal and produces a broadcast audio output. A connector on the housing electrically connects the broadcast audio output to a corresponding connector on the device. Application software residing on the device utilizes an internet connection of the device to download digital content related to the broadcast audio output and display the digital content on a display of the device.

 
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< Base Station Apparatus and Mobile Communication System

> Modularly constructing a software defined radio

> BASE STATION DEVICE, MOBILE STATION DEVICE, CONTROL INFORMATION TRANSMISSION METHOD, CONTROL INFORMATION RECEPTION METHOD AND PROGRAM

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