BroadCom BCM94313HMG2L BCM4313 Half Mini PCI-e WLAN Wifi wireless Card replacement for IBM Lenovo Laptop 04W3750 BroadCom BCM94313HMG2L 802.11 bgn Mini PCI-e only for Lenovo Laptop. (Recommend of use Wireless module same as original part number (FRU). Please confirm with us, if update or not sure compatible your laptop)