Compatible Models:
MacBook Pro 13" A1278 (Early & Late 2011)
MacBook Pro 15" A1286 (Early & Late 2011)
Features:
High-quality OEM replacement for the original Apple AirPort card
Supports Wi-Fi 802.11a/b/g/n for fast and reliable wireless connectivity
Built-in Bluetooth 2.1 + EDR for pairing with wireless accessories
Fully compatible with macOS – plug-and-play, no drivers required
Technical Specifications:
Replacement for Apple Part Number: 661-5869
Model: BCM94331PCIEBT4AX or equivalent
Interface: PCIe with separate Bluetooth header
Wireless Standards: 802.11a/b/g/n
Bluetooth Version: 2.1 + EDR
Installation Notes:
Installs in the AirPort slot on the logic board
No soldering required – uses existing antenna connectors
Tools needed: Phillips screwdriver, plastic spudger
macOS will detect and configure automatically