Welcome to our shop! 1. Supported Operating System: For Windows 7/8/10 32/64 bit, 5 GHz data rate up to 433 Mbps, 2.4 GHz up to 150 Mbps. 2. Support: Supports 2.4GHz or 5GHz dual-band BT 4.0, compliant with IEEE 802.11 AC/A/B/G/N standards. 3. Application Scope: It can be used on machines and equipment such as for Dell/for Shenzhou/for ASUS/for Toshiba/for Sony/for Acer/Industrial Motherboard/All-in-One/Tablet PC. 4. Compatible: The network card is compatible with many brand laptops but not compatible with Lenovo. 5. BT: The latest 4.0 specification is backward compatible with 3.0HS, 2.1, 2.0, 1.1, 1.0. Item Type: Network Card Material: PCB Model: RTL8821AE Standard: Wi-Fi 802.11ac/a/b/g/n (2.4Ghz, 5GHZ) Speed: Up to 433 Mbps (2.4G:150M, 5G:433M) BT: BT 4.0, backward compatible with 3.0HS, 2.1, 2.0, 1.1, 1.0 Support System: for Windows 7/8/10 1 x Network Card Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.