Linksys WMP110 RangePlus Wireless PCI Adapter IEEE 802.11b/g/n PCI Standards: IEEE 802.11b/g/n Security: WEP, Wi-Fi Protected Access 2 (WPA2) Modulation: 802.11b: CCK, QPSK, BPSK 802.11g: BPSK, QPSK, 16-QAM, 64-QAM 802.11n: BPSK, QPSK, 16-QAM, 64-QAM LEDs: Link/Act Antenna: 2 external dipole antennas Features: High-speed wireless networking for your desktop computer MIMO smart antenna technology captures faint signals for extended range and reduced dead spots Much faster than Wireless-G when connected to Wireless-N, but also works great with Wireless-G and -B devices Advanced wireless security with up to 256-bit encryption Dimensions: 4.96 x 0.87 x 4.76 Weight: 0.15 lbs.