Answer to "Can I use its 802.11ac AirPort Card on my RMBP 15 (mid2012)?"Managed to get one BCM94360CSAX from Taobao last week for my 2012 MBPR, had trouble to get a screwdriver for bottom case before, so I haven't had chance to post a result. Anyway, just got a screwdriver today, and done the replacement. This is what i got: Current Network Information: Airport Extreme: PHY Mode: 802.11ac BSSID: 90:72:xxxxxxxx <- hide Channel: 36 Country Code: AU Network Type: Infrastructure Security: WPA2 Personal Signal / Noise: -49 dBm / -92 dBm Transmit Rate: 1300 <---------- it was 450 before MCS Index: 9 Yeah!!!