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Dannydeman

BCM94352HMB Bluetooth & Wifi: Speed Problems

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I have the AzureWave Broadcom BCM94352HMB chip installed on my GA-H87N-WIFI. Bluetooth and Wifi both work.

 

Unfortunately I noticed a huge bug.

 

When I am downloading at highspeed (when it goes above 60mbit on speedtest.net) my bluetooth connection gets very choppy (mouse pointer is lagging etc.) When I turn off Bluetooth or disconnect the mouse, the downloadspeed is higher as well.

 

How can I fix this?

 

 
I already tried different antenna's, problems is the same. 

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I have the AzureWave Broadcom BCM94352HMB chip installed on my GA-H87N-WIFI. Bluetooth and Wifi both work.

 

Unfortunately I noticed a huge bug.

 

When I am downloading at highspeed (when it goes above 60mbit on speedtest.net) my bluetooth connection gets very choppy (mouse pointer is lagging etc.) When I turn off Bluetooth or disconnect the mouse, the downloadspeed is higher as well.

 

How can I fix this?

 

 
I already tried different antenna's, problems is the same. 

 

 

Because the Mini PCIe Wifi card sits on the USB bus, you have to sort out your El Capitan USB problems. Follow a guide online, some very good exist in this very forum.

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Because the Mini PCIe Wifi card sits on the USB bus, you have to sort out your El Capitan USB problems. Follow a guide online, some very good exist in this very forum.

 

All my USB ports work fine. What kind of problem are we talking about? And how can I begin to debug this?

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All my USB ports work fine. What kind of problem are we talking about? And how can I begin to debug this?

 

Well, open IORegistryExplorer.app and find your "XHC" label on this tree list. Take a screenshot with it expanded and post it here. I'll be able to tell you if you're OK or you need to do some work.

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Both, the Wifi and the Bluetooth signals interfere with each other due their frequencies. There are Router/AP's out there mostly with a dd-wrt based firmware which has a special "bluetooth compatibility mode" for such dual chipped cards with one antenna.

 

Are u sure that these issues are not happen on Windows/Linux too?

 

 

Your card is connected via mPCIe, therefore this has nothing todo with USB...

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Both, the Wifi and the Bluetooth signals interfere with each other due their frequencies. There are Router/AP's out there mostly with a dd-wrt based firmware which has a special "bluetooth compatibility mode" for such dual chipped cards with one antenna.

 

Are u sure that these issues are not happen on Windows/Linux too?

 

 

Your card is connected via mPCIe, therefore this has nothing todo with USB...

 

You last sentence contains false information. Mini PCIe cards like Wifi+BT use the USB Bus to communicate with the rest of the components. Take a look at "HS13" on the attached photo.

post-99742-0-07363500-1466111160_thumb.jpg

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USB was fine I guess, because I solved the problem. I changed my internal network to 5GHZ and now the Bluetooth lag is gone. I still think it's weird that it could happen, maybe Apple's driver isn't that good? I saw some complaints from 'real' Mac users as well. 

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Bluetooth lag also happens on my MacBook Pro 2011 Late. Sometimes none, sometimes acceptable, and sometimes mouse locks down based on router.

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