only can connect to 5ghz?

i bought fenvi bcm94360cd card which works perfectly on windows and worked out of box in macos but wifi had some problems in macos i can't connect to 2.4ghz sometimes it connects but it's very slow and unstable but if i connect to 5ghz it works just fine this does not happens in windows i tried bcrmfixup and resitting the antenas which didnt help please help!

submitted by /u/xXthenistXx
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