Features: 1.The wifi card module supports 2.4G / 5G dual?band wireless signals, with good penetration and long coverage. 2.The WiFi module can connect traditional serial devices to the network to realize wireless network control. 3.The wireless network card module has a flat cutout, and is equipped with screws and fixing pieces, which is easy to install. 4.Supports transmission speed up to 867Mbps, with fast transmission speed, and it is not easy to freeze under dual?frequency signals. 5.The WiFi card is suitable for Dell laptops, supports a variety of systems, and has strong practicability. specification:Item Type: Wireless network card Model: 8260NGW AC Mode: 802.11 AC and Bluetooth 4.2 combo card Applicable Brand Model: For DELL XPS 12 13 15 DP / N: 08XJ1T Network Standard: 802.11 ac Type: Wireless Interface: M.2 / NGFF Transmission Speed: up to 867Mbps Bands: Dual Bands (2.4 GHz and 5GHz) Supports NGFF M.2 2230 standard Bluetooth: V 4.2 Support System: For Win 7 / Win 8 / Win 8.1 / Win 10 How to use: 1. Use a small screwdriver to open the back cover of the laptop and find the wireless network card (the wireless network card is square and has two black and white wires connected.) 2. Use a screwdriver to unscrew the fixed screw, put it aside, and save it 3. Remove the old wireless network card and replace it with a new one, return to the installation according to the original disassembled route, and fix it. 4. Then boot up and install the driver automatically (the driver can be matched by the supplier according to the customer's computer model) PackageList: 1 x Wireless Network Card 1 x Screw 1 x Fixed Piece NoteCan be applied to NGFF M.2 standard interface notebook or desktop, a machine, industrial computer and other equipment (For Lenovo / HP do not support)