Linksys Wireless-G PCI Adapter with RangeBooster. Connectivity technology: Wireless, Host interface: PCI. Data transfer rate (max): 54 Mbit/s, Bandwidth: 2.4 GHz. Modulation: OFDM, CCK, QPSK, BPSK, DBPSK, DQPSK, 16QAM, 64QAM, DSSS. LED indicators: Activity. Security features: WEP, WPA, TKIP, AES, TLS, PEAP, Compatible operating systems: Microsoft Windows XP