So I've got a fully up to date Mac Pro 3,1 running DosDues1's Catalina OS. I've been wanting to upgrade my WIFI/Bluetooth card and have ordered one of the mac cards with the adapter. The problem is when installed the Mac would not boot. So dealing with hackintoshes I have used the Fenvi FV T-919 with good results. This card allows you to be able to unlock with your apple watch handoff, and continuity. Comes with Bluetooth 4.0 and 802.11ac all for $59.99 fully compatible OOB. So I ordered one for the Mac Pro the problem is you need a USB Header plug which the Mac Pro does not have. BUT you can order a CRJ 9-Pin USB IDC Dupont Male Header to Single USB 2.0 Type A Male Cable which plugs on to the cable on the Fenvi card needed for Bluetooth and you just plug it into a USB plug on the back of the machine. It works great and for a total of less $70.00 it's a cheap upgrade that takes 15mins to install. Here are the links to the parts you need:
Cable https://www.amazon.com/gp/product/B07Q4QZW57/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Fenvi Card https://www.amazon.com/gp/product/B07VCCZS54/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Cable https://www.amazon.com/gp/product/B07Q4QZW57/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Fenvi Card https://www.amazon.com/gp/product/B07VCCZS54/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
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