Part number assistance for QBT1250

Hi all,

I found this parts list for the QBT1250 but need some help deciphering it. Essentially, I bought a unit without wifi/bluetooth and would like to add it. I've already purchased the M.2 wifi module. But need the rest of the parts and their associated Dell part numbers.

BRKT, FOR M2 WIFI ANTENNA, D12

This is the plastic shield that covers the antenna attachment points on the wifi card, correct?

ANT, INTERNAL, PIFA, D14

This is the internal antenna that attaches to the wifi card, correct? 

From looking at the owner's manual, it looks like the antenna attaches to a metal plate. And then you screw that plate on to the chassis. Is this included with the antenna above? Or do I need to order that separately? 

Also looks like I need to order screws too for all of the above? Am I missing anything else?