1.Intelligent dual frequency: it supports 2.4GHz and 5GHz frequency bands, and can be automatically connected to the wireless signals of the two bands at the same time. 2.High anti-interference: when working in 5GHz band, it has strong anti-interference ability, and wireless transmission is faster and more stable. 3.High speed transmission: 300mbps at 2.4GHz and 300mbps at 5GHz. 4.Share WiFi: support soft function, can easily share WiFi. 5.Security: support 64 / 128 bit , WPA / pa2 / 802.1x. Product Name: dual band wireless network card Product chip: RT5572 Interface type: USB Transmission rate: 300mbps Working frequency band: 2.4G/5G Nonstandard standard: IEE802.11a/b/g Support system: for xp/Vista / win7win8 / in 10 / Linux Colour:black Material:ABS Package Contents: 1 x 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.