Dell DW1705 Half Mini PCI-E Card 802.11b/g/n Bluetooth 4.0 + HS/LE 2.4GHz Wireless Card Frequency: 2.4 GHz Networking standards: 802.11b, 802.11d, 802.11e, 802.11g, 802.11h, 802.11i, 802.11j, 802.11n Hardware Coding: WPA / WPA2 (AES, TKIP key), WEP Supportting data rates: IEEE 802.11b 1 - 11 Mbps IEEE 802.11g 6 - 54 Mbps IEEE 802.11n 6.5 - 150 Mbps Bluetooth v4.0+HS