Feature: 1. High Speed: Up to 400Mbps on the 2.4GHz band and up to 867Mbps on the 5.8GHz band. Supports WPA, WPA2, TKIP, AES, and WEP encryption mechanisms to ensure secure wireless network connections. 2. Powerful Gigabit Functionality: Enables desktop computers to achieve gigabit internet speeds, accelerating data transfer rates for a seamless online experience. 3. Quick Installation: Wireless network card features a simple plug and play design for convenient and fast installation, eliminating the need for complicated steps. 4. Strong Compatibility: Network adapter card is compatible with multiple operating systems, suitable for Windows XP, for Vista 7 8 10, for Linux, for OS X. 5. Stable Connection: Utilizes advanced technology and high gain antennas to provide a stable and reliable WiFi connection, allowing for smooth online browsing, gaming, and streaming. Specification: Item Type: Dual Band Wireless Card Material: ABS Main Chip: RTL8812BU Wireless Standard: IEEE802.11ac/a/n/g/b Interface: USB 3.0 Antenna: External 2dBi Antenna Transmission Distance: Indoor Maximum: 100 meters / 328ft Operating Frequency: 2.412-2484GHz / 5.15-5.825GHz (varies by country/region) Transmit Power: 802.11b (CCK) 11Mbps: 18+/-1dBm 802.11g (OFDM) 54Mbps: 15+/-1dBm 802.11n(OFDM) 54Mbps: 15+/-1dBm 802.11ac (AC80) MCS9: 12+/-2dBm EVM: 11b 11Mbps: < -15db 11g 54Mbps: < -27db 11ac MCS9: < -30db Receive Sensitivity: 802.11b: -76+/-1dBm 802.11g: -65+/-1dBm 802.11n (HT20): -70+/-1dBm 802.11n (HT40): -65+/-1dBm AC80-MCS9: -55+/-1dBm Wireless Transfer Rate: 11b: Maximum 11Mbps, 11g: Maximum 54Mbps, 11n: Maximum 400Mbps, AC: Maximum 867Mbps Operating System: for Windows XP, for Vista 7 8 10, for Linux, for OS X Wireless Support: WPA/WPA2/WEP/802.1X/WMM. Package List: 1 x Wireless Card 1 x Driver CD