Features: 1.Advanced 11N technology, 300M get rid of 150M NIC delay, Caton's troubles, transmission farther and smoother. 2.Supports two working frequency bands of 2.4 GHz and 5 GHz. 3.Support for win7/win8/win8.1/win10 and other systems. 4.Easy to install in the chassis slot for better contact and easy data transfer. 5.The signal transmission and reception is more stable and the effect is better. specification: Advanced 11N technology, 300M get rid of 150M NIC delay, stuck troubles, transmission farther and smoother. Supports two working frequency bands of 2.4 GHz and 5 GHz. Support for win7/win8/win8.1/win10 and other systems. Easy to install in the chassis slot for better contact and easy data transfer. The signal transmission and reception is more stable and the effect is better. : Bus type: PCI-EX1 Support interface: PCI-EX1/4/8/16 Antenna: External 3.5dBiX2 RF power: 20dBM (maximum) Spread spectrum technology: DSSS (direct sequence spread spectrum) Data Modulation: OFDM/CCK16-QAM/64-QAM Transmission rate: 2.4G 300Mbps + 5G 300Mbps System support: for XP Win7/Win8/Win8.1/Win10 Size:approx. 12*8.5*2cm/4.72*3.35*0.79inch Package List: 1 * Network Card 1 * Half Height Baffle 2 * Antenna 1 * Screw Package 1 * Drive CD