The TEW-621PC 300Mbps Wireless N-Draft PC Card allows you to connect wirelessly with supercharged speed, range and reliability. Wireless speeds increase up to 300Mbps when connecting to TRENDnet Wireless N-Draft access points or wireless routers. This 802.11n device seamlessly connects to your wireless network without performance degradation. Main FeaturesManufacturer: TRENDnetManufacturer Part Number: TEW-621PC Frequency Band/Bandwidth Details: 2.412 GHz 2.484 GHz IEEE 802.11b/g ISM Band Transmission Speed: 300Mbps Maximum , 54Mbps Auto-fallback IEEE 802.11g, 6Mbps IEEE 802.11g, 11Mbps Auto-fallback IEEE 802.11b, 1Mbps IEEE 802.11bHost Interface: 32-bit CardBus - Type IIDimensions: 0.13" Thickness x 2.1" Width x 4.3" DepthWeight: 1.3 oz Standard Warranty: 3 Year(s)