# BC127 AAC License

**URL:** <https://forum.sierrawireless.com/t/bc127-aac-license/20734>\
**Category:** WiFi and Bluetooth Modules\
**Created:** [June 25, 2020, 3:53am UTC](https://forum.sierrawireless.com/t/bc127-aac-license/20734 "2020-06-25T03:53:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![markusg](https://avatars.discourse-cdn.com/v4/letter/m/bc79bd/32.png) [@markusg](https://forum.sierrawireless.com/u/markusg)\
**Post date:** [June 25, 2020, 3:53am UTC](https://forum.sierrawireless.com/t/bc127-aac-license/20734/1 "2020-06-25T03:53:31Z")

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Are all encoder/decoder AAC device license fees covered in cost of a BC127, or do these need to additionally be paid by end-product manufacturers directly to Via Licensing?

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**Author:** ![Vianney](https://avatars.discourse-cdn.com/v4/letter/v/71e660/32.png) [@Vianney](https://forum.sierrawireless.com/u/Vianney)\
**Post date:** [June 26, 2020, 3:16am UTC](https://forum.sierrawireless.com/t/bc127-aac-license/20734/2 "2020-06-26T03:16:30Z")

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Hi @markusg,  
It looks like AAC is covered in cost of a BC127 module.The license key is required to use aptX, aptX Low Latency, or aptX HD codecs  
Please share if you have any concerns and help us tick **Solution** if your question is answered  
Thanks