• Dell Part Number/SKU: D4V21 • Genuine OEM Parts Only • 60 Day Warranty Included • Easy 30 Day Returns • Ships Same Day Mon-Fri • You will receive what is pictured Dell Wireless DW1820 M.2 Form Factor Card. This card combines Dual Band 802.11ac WLAN and BT 4.1+HS (Bluetooth) onto one card. Dell PN: D4V21 Dell Wireless 1820 (DW1820) Qualcomm QCA61X4A IEEE 802.11 a/b/g/n/AC Bluetooth v4.1 +HS Interface (Bus) Type: M.2 Form Factor Compatible All Dell Laptops