Genuine Original Lenovo 802.11b/g/n Bluetooth 4.0 WiFi Mini PCI-E Wireless Laptop Card 04W3818 20-200440 RTL8723BE.

Lenovo Part Number: 04W3818
Compatible Part Numbers: 20-200440
Realtek Model Number: RTL8723BE
Compatible Models: Lenovo: Assembly M93P Series; IdeaPad 100-15IBD, 100-15IBD 80QQ, 100-15IBD 100, 100-15IBD, 100S; ThinkPad Edge E440, E540; ThinkPad S440, S540; B5400; H30-00, H50-50, H530S Desktops; ThinkCentre M53 Series, M73 Series, M73/M73e Series, M83 Series