After I upgraded to 802.11ac WiFi + Bluetooth 4.0 Airport Card BCM94360CSAX
Aug 11, 2014 Yes the 4 antennas are connected (3rd wifi antenna was hidden behind behind original wifi module). Was posting from iPad, connection was way too slow in 10.10. Now I'm back on 10.9.4, wifi connection is much better than in 10.10 (but still not going above 60-70Mbps).
I get an error message when I booted the Mac and hold down the D key:
- Error code -1005D
for diagnostic test otherwise it works 100% after upgrade
I bought a card and installed it and it works 100%
The only thing you must do when to boot and hold down the D key is and have the network cable connected to internet.
Bought from here: http://www.aliexpress.com/item/2013-newe..
Error code-1005D = means no internet over wifi
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Apple AirPort Extreme WiFi 802.11ac & Bluetooth 4.2 Upgrade Kit w/Adapter For MacPro4,1/5,1
*Genuine Apple Original Part
Condition : New with 60 days warranty
Apple Model Part No. : BCM943602CDAX
Compatible MacPro Model : MacPro4,1 - 5,1 from 2009 to 2012 EFI64
Compatible macOS : Sierra 10.12.6 or Higher *Catalina 10.15 compatible(Native Supported)
Support 802.11 a/b/g/n/ac up to 1.3Gbps
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