PDD-AR5B93 - MINI PCI WIFI WIRELESS CARD, T77H047.31 LF, 4104A-AR5B93, 250-01626-040, T77H047 GP Mini PCI-E WiFi Wireless Card Manufacturer: Atheros P/N: 4104A-AR5B93 Function: WIFI + Bluetooth 4.0 From an Acer Aspire Laptop- Compatible With: Dell, Asus, & Acer Laptops