my Mac Pro ‘13, only gets as high as 867mhz on the 5ghz band..Based on the info here at the site, it should be 3x3 +1 for BT…that should get 1.3ghz speed…I havent taken it apart to look yet…just wondering if anyones seen this before…
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Download and run Speed Test by Ookla from the Apple APP Store and see if you ISP is providing you with enough band width. Try it on other Macs you may have to try to isolate the issue.
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Thanks Mayer..my download speed on wired is 200/200…thats not the issue..The issue is the physical AC mode link speed to the Router is 867mhz..It should be 1.3ghz..My HP Laptop with a USB adaptor is linked at AC1300..The Mac Pro should do the same ….
из Larry Letterman
Are you running through a router and exactly what is your router? Has it ever run at a higher speed? What speed will it run at on a direct ethernet connection to the modem?
из mayer
Router is Netgear Nighthawk 7500v2, The router is capable of AC1700 speeds..Its currently connected to a HP Laptop at AC1300..The mac-pro is connected at AC867..The Mac Pro should be connected at AC1300 also..It appears the Mac is missing one of its AC Channels..a 3x3 antennae client should connect at AC1300....
из Larry Letterman