RadioRegion Enumeration
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RadioRegion Enumeration

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

An enumeration that describes the set of radio frequency bands available for FMRadio tuning.

Namespace:  Microsoft.Devices.Radio
Assembly:  Microsoft.Phone (in Microsoft.Phone.dll)

public enum RadioRegion
<object property="enumerationValue" .../>

Member nameDescription
UnitedStatesThe radio frequency band of the United States.
JapanThe radio frequency band of Japan.
EuropeThe radio frequency band of regions other than Japan and the United States.

Caution noteCaution:

FM radio is supported only in apps that target Windows Phone OS 7.1. If you use the FMRadio class or other classes in the Microsoft.Devices.Radio namespace in apps that target Windows Phone 8 or later, an error message indicates that the FM radio feature is not available.


If you use this API in your app, you must specify the following capabilities in the app manifest. Otherwise, your app might not work correctly or it might exit unexpectedly.


Windows Phone OS 7.1

For more info, see App capabilities and hardware requirements for Windows Phone 8.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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