There are 2 models optional, different model with different interface and appearance, please choose suitable model before purchase: 1900Mbps WiFi 6 2150Mbps WiFi 4 900Mbps network card Specification: Working frequency: 2.412GHz-2.484GHz; 5.180-5.825GHz Transmission rate: AX900Mbps 2.4GHz: 286mbps; 5GHz: 600mbps Antenna: Built-in 2dBi dual-band antenna Wireless standard: IEEE802.11a/b/g/n/ac/ax Encryption method: WPA3/ WPA-WEP/WPA-PSK/WPA2-PSK Working mode: WiFi receiving/AP transmitting Compatible system: Compatible with Windows7/10/11, Compatible with Linux, Compatible with Kirin, Compatible with domestic UOS, etc. Product size: 40*19*10mm/1.57x0.75x0.39inch WIFI 6 driver-free wireless network card Drive free installation Compatible with Windows7/10/11, Compatible with Linux, Compatible with Kirin, Compatible with domestic UOS, etc.Compatible with Windows 10/11 multi system drive free WiFi transmission Insert a computer that has been connected to the network.transmit a WiFi signal, and let the device receive the WViFi signal to access the internet 300Mbps Specification: 286Mbps wireless transmission rate Provides two methods of operation: Infrastructure and Ad-Hoc Supports 64/128-bit WEP, complies with 128 bit WPA standardTKIP/AES, supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X Supports Windows win7/win10/Win11 Seamlessly compatible with 802.11b/g/n/ax devices Specifications: Chipset:AIC8800 Interface:USB2.0 Hi-Speed connector Wireless Speed:11ax: Up to 286.8Mbps Frequency Range:2.4GHz Wireless Transmit Power:20dBmMAX EIRP Modulation Technique:MUMIMO, OFDMA Work Mode:STA, AP, WiFi Direct modes concurrently Wireless Security:WEP/WPA/WPA2/WPA3SAE Personal, MFP Temperature Range:Operating: -20C to 70C, Storage: -40C to 90C Humidity:Operating: 5% to 95% non-condensing, Storage: Max. 90% non-condensing Support Operating System:Win 7/Win10 /Win11