Welcome to our store! 1. The wireless network card complies with IEEE 802.11b, IEEE 802.11g, and IEEE 802.11n standards up to 300 Mbps, 2T2R PCI bus interface. 2. Suitable for new and old desktop computers with dual-separated antenna design. The signal is powerful, more stable, and compatible with 11b, 11g, and 11n products. QSS quick and secure setup, wireless network safer and faster setup. 3. Complies with IEEE 802.11n (Draft 2.0), IEEE 802.11g, IEEE 802.11b standards and provides a 32/64-bit PCIE interface. This wireless network card has 2 working modes: Infrastructure and Ad-hoc; uses MIMO technology. 4. Adopts CCA technology, automatically avoids channel interference and fully utilizes the advantages of channel bundling, supports 64/128/152-bit WEP encryption, supports WPA/WPA2, WPA-PSK/WPA2-PSK and other advanced encryption and security mechanisms. 5. This PCI-E to WIFI card provides simple configuration and monitoring procedures, supports Roaming technology, and ensures efficient wireless connectivity. Item Type: Dual-band Network Card Interface: PCI-E to WIFI Antenna: 2 x 6DB high-gain antenna (new) Transmission Rate: 300M 2.4G Applicable System: For WIN 98/WIN XP/ WIN 7/WIN 7-64/ WIN8/WIN8 64 Supported Standards and Protocols: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK Bus Type: PCI-E Frequency Range: 2.4–2.4835 GHz Wireless Transmission Rate: 11n: 270/243/216/162/108/81/54/27 Mbps 135/121.5/108/81/54/40.5/27/13.5 Mbps 130/117/104/78/52/39/26 /13 Mbps 65/58.5/52/39/26/19.5/13/6.5 Mbps 11g: 54/48/36/24/18/12/9/6M (adaptive) 11b: 11/5.5/2/1M (adaptive) Number of Working Channels: 13 Transmit and Receive Type: 2T2R Spread Spectrum Technology: DSSS 2 x Antenna 1 x Bracket 1 x Driver CD 1 x Network Card Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.