1. This network card supports 802.11AC network protocol, 2.4G+5G speed can reach up to 1167Mbps2. The network card supports 2.4G/5G, the signal is stable, the compatibility is good, and you can use it with confidence3. Bluetooth 4.1 chip, lower power consumption and more stable4. High-quality circuit module board, mini body, high efficiency to avoid corrosion and abrasion, durable and easy to use.5. Built-in high-quality for QCNFA344A chip, stable performance and high efficiencyProduct name: wireless network cardModel: DW1820AWireless: 2.4G: 300Mbps + 5G: 867MbpsBluetooth: 4.1 BluetoothInterface: NGFFSupport Protocol: 802.11ACSupport system: Win7, Win8, Win10DW1707_QCA9565 universal version is a single frequency 300M speed, with Bluetooth 4.0Compatible Models: Compatible for Acer, , Shenzhou, , , , Thor, Mechanical Revolution, , , etc. Almost most of the laptops with NGFF. Desktop all-in-one mini advertising machine, IPC equipment with NGFF slot can also be usedcolour: greenMaterial: PCBPackage Contents:1 x DW1820 wireless network cardOnly the above package content, other products are not included.Note: Light 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.