<ul><li>If the 802.11n Airport Wireless Bluetooth 4.0 internal card in your laptop are broken or defective and not working properly, this AirPort wireless network card is the perfect solution to your wireless connectivity issues.</li><li>This Airport/Bluetooth board BCM94331PCIEBT4 is replacement for MacBook Pro Unibody Early 2011 to Mid 2012 with model A1278, A1286 and A1297.</li><li>Compatible Model:Compatible with MacBook Pro 13 Unibody A1278 (Early 2011-Mid 2012): For MacBookPro8,1 Early 2011:(MC700LL/A,MC724LL/A),MacBookPro8,1 Late 2011:(MD313LL/A,MD314LL/A),MacBookPro9,2 Mid 2012:(MD101LL/A,MD102LL/A).</li><li>Compatible Model:Compatible with MacBook Pro 15" Unibody A1286 (Early 2011-Mid 2012): For MacBookPro8,2 Early 2011:(MC721LL/A,MC723LL/A),MacBookPro8,2 Late 2011: (MD318LL/A,MD322LL/A),MacBookPro9,1 Mid 2012:(MD103LL/A or MD104LL/A).</li><li>Compatible Model:Compatible with MacBook Pro 17" Unibody A1297 Early 2011: For MacBookPro8,3 Early 2011:(MC725LL/A), MacBookPro8,3 Late 2011: (MD311LL/A).</li><li>Identifying Numbers: APN :661-6510 PPN : 607-8958, BCM94331PCIEBT4AX, BCM94331PCIEBT4.</li></ul> This Airport/Bluetooth board may fix problems with making wireless connections to Wi-Fi routers or to Bluetooth equipped accessories like wireless speakers, headphones, and keyboards. Product Name: Airport Wireless WiFi Card Model: Compatible for MacBook Pro Unibody A1278 A1286 A1297 Year:Early 2011-Mid 2012 P/N: BCM94331PCIEBT4AX / BCM94331PCIEBT4 Package Including: 1x AirPort Bluetooth Wireless Card for A1278 A1286 A1297 Compatibility: -Compatible with MacBook Pro 13" Unibody Early 2011 A1278 (EMC 2419) For MacBookPro8,1 Early 2011: MC700LL/A (2.3 GHz Core i5) or MC724LL/A (2.7 GHz Core i7) -Compatible with MacBook Pro 13" Unibody Late 2011 A1278 (EMC 2555) For MacBookPro8,1 Late 2011: MD313LL/A (2.4 GHz Core i5) or MD314LL/A (2.8 GHz Core i7) -Compatible with MacBook Pro 13" Unibody Mid 2012 A1278 (EMC 2554) For MacBookPro9,2 Mid 2012: MD101LL/A (2.5 GHz Core i5) or MD102LL/A (2.9 GHz Core i7) -Compatible with MacBook Pro 15" Unibody Early 2011 A1286 (EMC 2353-1) For MacBookPro8,2 Early 2011: MC721LL/A or MC723LL/A -Compatible with MacBook Pro 15" Unibody Late 2011 A1286 (EMC 2563) For MacBookPro8,2 Late 2011: MD318LL/A or MD322LL/A -Compatible with MacBook Pro 15" Unibody Mid 2012 A1286 (EMC 2556) For MacBookPro9,1 Mid 2012: MD103LL/A or MD104LL/A -Compatible with MacBook Pro 17" Unibody Early 2011 A1297 (EMC 2352-1) For MacBookPro8,3 Early 2011: MC725LL/A (2.2 GHz Core i7) or (2.3 GHz Core i7) -Compatible with MacBook Pro 17" Unibody Late 2011 A1297 (EMC 2564) For MacBookPro8,3 Late 2011: MD311LL/A (2.4 GHz Core i7) or (2.5 GHz Core i7) -Both of the Model "Axxxx"and EMC "xxxx " Number are located beneath the lower cover of the laptop, please double check it to determine the compatibility.

Airport Wireless Network Card,Bluetooth 4.0 Bt Wireless WiFi Airport Card BCM94331PCIEBT4AX BCM94331PCIEBT4 Replacement for MacBook Pro Unibody A1278 A1286 A1297 (Early 2011-Mid 2012)