Mac Pro and the Internal Bluetooth Antenna

Hello All;
Recently I acquired a Sony Bluetooth headphone. It works great for my MacBook Pro and iPod Touch. It is another story with my Mac Pro, it drops out frequently. I wonder if it is possible to improve the internal Bluetooth antenna inside my Mac Pro so that I can have no dropouts.
My Mac Pro is the 3.0 GHz 8-core early 2008 edition.
Thank you.

Check if the bluetooth-module is connected correctly: http://guides.macrumors.com/AddingBluetooth_and_Wireless_to_a_MacPro

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