StarTech PCI Express 802.11N 300 Mbps Wireless Network Adapter - 2T3R (PEX300WN2X3) PCI Express 2.0 and 802.11n compliance ensure a fast, reliable wireless connection, while still being able to connect to older b/g networks Support for the latest security protocols and QoS ensures a safe and efficient wireless experience Backed by a StarTech.com lifetime warranty and free lifetime technical support 2 Transmitter/3 Receiver (2x3:2) antenna configuration with MIMO support Compliant with IEEE 802.11n standard, with transfer rates up to 300Mbps PCI Express 2.0 and 802.11n compliance ensure a fast, reliable wireless connection, while still being able to connect to older b/g networks Support for the latest security protocols and QoS ensures a safe and efficient wireless experience Backed by a StarTech.com lifetime warranty and free lifetime technical support 2 Transmitter/3 Receiver (2x3:2) antenna configuration with MIMO support Compliant with IEEE 802.11n standard, with transfer rates up to 300Mbps Backward compatible with IEEE 802.11b/g standards for up to 11/54Mbps connections respectively Broadcast distances up to 200m indoors and 400m outdoors Supported security features: WEP (64-128-bit), WPA, WPA2, WPS and 802.1x