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Customer evaluation boards for products with a digital serial peripheral interface (SPI) can be controlled thorugh a personal computer. For this puprose a USB-to-SPI interface board is provided with control software. This control software is currently only available for the MS Windows operating system.
Best Answer chosen by Christian Haricot
I found an App. Note about L2 Matching NXP GPS LNA's: (BGU8009/BGU7005 L2 and L5 Band LNA Application). With some extra matching on the output the LNA can be tuned for the L2-band.
See the document in this link : http://www.nxp.com/documents/application_note/AN11353.pdf