MacBook Pro Bluetooth Transfer Speeds Double When Laptop is Lifted!!!

I wonder if my MacBook Pro is normal, or freaky:
I was transferring a file to a Mac Mini 10 Feet away @ roughly 30-50 KB/s, when I picked up the notebook and walked away. Upon lifting it from the desk, the transfer rate shot up to 100-110 KB/s.
I understand the Bluetooth module is on the bottom-left of the laptop, is this related?
Thanks for confirming my paranoia,
Taylor

Thanks folks.

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