Here is the blog post from @blackberryblog
Today we are pleased to announce that Paratek Microwave, Inc., leading developers of tunable radio frequency (RF) technology, has joined Research In Motion (RIM).
Paratek is a recognized leader in developing adaptive tuning technologies for multi-band handsets. The Paratek team will continue to focus on developing RF tuning technologies with support from RIM.
source for RIM Acquires Paratek Microwave Inc.