1. This network card supports 802.11AC network protocol, 2.4G+5G speed can reach up to 1167Mbps 2. card supports 2.4G/5G, the signal is stable, the compatibility is good, and you can use it with confidence 3. Bluetooth 4.1 chip, lower power consumption and more stable 4. High-quality circuit module board, mini body, high efficiency to avoid and abrasion, and easy to use. 5. Built-in high-quality for QCNFA344A chip, stable performance and high efficiency Product name: wireless network card Model: DW1820A Wireless: 2.4G: 300Mbps + 5G: 867Mbps Bluetooth: 4.1 Bluetooth Interface: NGFF Support Protocol: 802.11AC Support system: Win7, Win8, Win10 DW1707_QCA9565 universal version is a single frequency 300M speed, with Bluetooth 4.0 Compatible Models: Compatible for , Shenzhou, , , , Mechanical Revolution, , etc. Almost most of the laptops with NGFF. Desktop mini advertising machine, IPC equipment with NGFF slot can also be used colour: green Material: PCB Package Contents: 4 x DW1820 wireless network card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.