Features: This product is made of high quality PCB material, strong and durable. Support 2.4G/5G two working frequency bands, users can freely choose according to the terminal equipment and the surrounding environment, effectively avoid wireless interference and network congestion, more stable, faster WiFi signal. Support for for Intel CPU, does not support for AMD CPU. Support for repeaters and wireless AP: plug in networked computers to build wireless WiFi, mobile phones and tablets can share computer networks, support multi-person sharing. With fuse, support motherboard fireproof, shield function is anti-jamming. Specifications: Material: PCB Size: Approx. 12*11*2cm/4.72*4.33*0.79inch Interface Type: PCI-EX1 Support interface: PCI-EX1/X4/X8/X16 Antenna: 3*2dBi External RF Power: 20dBM(Max) Spread-spectrum technique: DSSS(direct sequence spread spectrum) Data modulation: OFDM/CCK/16-QAM/64-QAM Transmission rate: 450Mbps System Support: For Windows XP/8/8.1/10 Package list: 1 x Network Card 3 x Antenna 1、This product is made of high quality PCB material, strong and durable. 2、Support 2.4G/5G two working frequency bands, users can freely choose according to the terminal equipment and the surrounding environment, effectively avoid wireless interference and network congestion, more stable, faster WiFi signal. 3、Support for for Intel CPU, does not support for AMD CPU. 4、Support for repeaters and wireless AP: plug in networked computers to build wireless WiFi, mobile phones and tablets can share computer networks, support multi-person sharing. 5、With fuse, support motherboard fireproof, shield function is anti-jamming.