The larger of Apple's MacBook Air laptops featuring dual microphones and 802.11ac Wi-Fi connectivity.

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MBP's 3TR Airport card in 2TR MBA. Which antenna should I add?

Hi.

I just swapped Airport card on my MBA, from original MacBook Air 2013 2 antenna 11ac to MacBook Pro Retina 2014 3 antenna 11ac.

It has different length(MBP's are longer) but fit enough to work. Actually it works. And I made just-work-anyway-but-cannot-install-inside-laptop-cause-it-is-1-feet-size iron wire antenna, 1 inch far from router, it shows 1.3Gbps. Test done.

Problem is, MBA has only 2 inside antenna. So I have to make or buy third antenna, which small and thin enough to install.

Does anybody did this job with good antenna rate? What antenna should I use? Is there general products? Or should I make DIY?

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Basically it really can't be done.

The first problem is where are you putting the antenna? You can't fix it within the main body as the case acts like a Faraday cage blocking the signal.

So your only option here is to put it into the lid assembly. But now you have a problem as the lid is very difficult to open with out damaging it and you still need a way to snake the antenna cable though and find a place to mount the antenna.

The bottom-line here this is too big a nut to crack. Which is why people don't try upgrading it.

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Thank you.

I don't know about Faraday cage effect actually do and/or how affects in this particular situation, but change to 3TR DID not gave any advantage in my case.

Lower bandwidth than 2TR. Test end.

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The metal case act as a shield so if you tried to place the antenna within the case it won't be effective (basically, within a faraday cage).

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