Features: The 11AC dual-band wireless USB network card is suitable for wireless connection of desktop PCs and other devices, and can provide convenient and fast wireless Internet access. The NIC supports auto detection and will automatically adjust the rate. Wireless standard - Comply with IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.11e, IEEE 802.11i, IEEE 802.11ac standards. Wireless transmission rate - Up to 300Mbps in 2.4G band, up to 867Mbps in 5G band. Support TKIP, AES, WEP encryption and WPA, WPA2 advanced security mechanism, to provide security for wireless network connections. Wide compatibility - Suitable for Windows Vista / XP / 2000 / 7 / 8 / 10 / Linux / MAC OS. Specification: Type: 1200M Network Card Transmission rate: 2.4G: Max 300Mpbs / 5.8G: Max 867Mpbs Interface type: USB3.0 Transmitting power: 18dbm Antenna type: Built-in antenna Dual band 2T2R Working frequency band: 2.412-2.484GHz, 5.180-5.825GHz Applicable system: For Windows Vista/XP/2000/7/8/10, For Linux, For MAC OS Chip: For RTL8812AU Support WPA, WPA2: Yes Material: ABS + Metal Color: Black Weight: Approx. 45g Size: Approx. 8 * 2.5 * 0.8cm / 3.1 * 1 * 0.3in Package list: 1 * 1200M Network Card 1 * CD Drive 1 * User Manual Note: Please allow slight error due to manual measurement. Thanks for your kind understanding. 1、The 11AC dual-band wireless USB network card is suitable for wireless connection of desktop PCs and other devices, and can provide convenient and fast wireless Internet access. 2、Support TKIP, AES, WEP encryption and WPA, WPA2 advanced security mechanism, to provide security for wireless network connections. 3、Wireless standard - Comply with IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.11e, IEEE 802.11i, IEEE 802.11ac standards. 4、Wireless transmission rate - Up to 300Mbps in 2.4G band, up to 867Mbps in 5G band. 5、Wide compatibility - Suitable for Windows Vista / XP / 2000 / 7 / 8 / 10 / Linux / MAC OS.