Features: The combination of fashion and technology, simple design with cool black body. Wireless speeds up to 1900Mbps, allowing you to enjoy the speed (2.4GHz speed of 600Mbps and 5.8GHZ rate of 1300Mbps). Maximum use bandwidth rate, support 1000/m broadband (80% for broadband use). Advanced chip - Built-in 4 chips for PA, increased signal range transmission and enhanced signal penetration capability. Compatible with mainstream systems, for Windows xp/7/8/8.1/10, and for MAC OS10.6--10.13. Fast transmission rate - Use USB3.0 interface transmission rate up to 5Gbps, providing 900mA power supply to effectively improve network card transmission stability. Specification: Type: 1900M Wireless Network Card Model: CF-958AC Interface: USB3.0/ Backward compatible with usb2.0 Wireless frequency: 2.412-2.484GHz 5.180-5.825GHz Wireless standard: Supports IEEE802.11a standard Supports IEEE802.11b standard Supports IEEE802.11g standard Supports IEEE802.11c standard Supports IEEE802.11n standard Transmitting power: 18dbm Security features: WPA-PSK/WPA2-PSK WPA/WPA2 WEP Supported operating system: for Windows7/8/8.1/10 (32-bit 64-bit) windows xp, for mac system needs to download the driver installation package Weight: Approx. 160g Size: Approx. 12.5 * 12.5 * 7.5cm Package list: 1 * Wireless Network Card 1 * USB Cable 1 * Drive CD 1 * Instruction Manual Note: 1. Please allow slight error due to manual measurement. 2. Different monitor colors may be different. Thanks for your kind understanding. 1、The combination of fashion and technology, simple design with cool black body. 2、Wireless speeds up to 1900Mbps, allowing you to enjoy the speed (2.4GHz speed of 600Mbps and 5.8GHZ rate of 1300Mbps). 3、Maximum use bandwidth rate, support 1000/m broadband (80% for broadband use). 4、Compatible with mainstream systems, for Windows xp/7/8/8.1/10, and for MAC OS10.6--10.13. 5、Advanced chip - Built-in 4 chips for PA, increased signal range transmission and enhanced signal penetration capability.