Features: brand new and high quality Apple-retina original disassembly machine A1398 A1425 A1502 MC975 MC976 ME665 ME293 MD212 MD213 450M wireless network card +4.0 Bluetooth-compatible. The model is: BCM94331CSAX The AirPort wireless chip is almost the same as the one on the Macbook-Air. for Broadcom's BCM4331 chip supports 802.11n dual-band wireless; for Broadcom's BCM20702 chip supports Bluetooth-compatible 4.0; and Skyworks 2xSE5515 dual-band antenna amplifier is used. It will support the handling of large number of work, entertainments, shoppingwhich need be completed on internet. It allows you to have access to your local network securely from internet. Withfine workmanship and advanced technique, it is durable and in use. this wireless network card features a good performance in stability that it will not easy to get disconnected. Specifications: Material:Metal Size:Approx.2x4.8cm/0.79x1.89inches Color:Black Generally, this card can only support versions before 10.14 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Card