Welcome to our store! 1. Advanced 11N technology, 300M get rid of 150M NIC delay, Catons problem, transmission longer 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. Signal transmission and reception are more stable and the effect is better. Features: Advanced 11N technology, 300M get rid of 150M NIC delay, stuck problems, transmission longer and smoother. Supports two working frequency bands of 2.4 GHz and 5 GHz. Supports win7/win8/win8.1/win10 and other systems. Easy to install in the chassis slot for better contact and easy data transfer. Signal transmission and reception are more stable and the effect is better. Specification: Bus Type: PCI-EX1 Support Interface: PCI-EX1/4/8/16 Antenna: External 3.5dBiX2 RF Power: 20dBM (max) 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*0.79in Package List: 1 * Network Card 1 * Half-height baffle 2 * Antenna 1 * Screw package 1 * Drive CD Guaranteed Satisfaction: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory after-sales service.