RealTek RTL8191se BGN Mini Pci-e Half Hight Wireless Wifi WLAN Card for HP CQ56 G62 CQ62 G72 CQ72 G56 Item Model: HP RTL8191SE 593533-001 Technical standard: IEEE 802.11b/g/n Compatible with: HP CQ56 G62 CQ62 G72 CQ72 G56 Frequency band: 2.4 GHz Note: this wireless card could only work on HP version laptop