68 Notebook PC User ManualWireless LAN Connection (on selected models)The optional built-in wireless LAN is a compact easy-to-use wirelessEthernet adapter. Implementing the IEEE 802.11 standard forwireless LAN (WLAN), the optional built-in wireless LAN is capable offast data transmission rates using Direct Sequence Spread Spectrum(DSSS) and Orthogonal Frequency Division Multiplexing (OFDM)technologies on 2.4GHz/5GHz frequencies. The optional built-inwireless LAN is backward compatible with the earlier IEEE 802.11standards allowing seamless interfacing of wireless LAN standards.The optional built-in wireless LAN is a client adapter that supportsInfrastructure and Ad-hoc modes giving you flexibility on yourexisting or future wireless network configurations for distances up to40 meters between the client and the access point.To provide efficient security to your wireless communication, theoptional built-in wireless LAN comes with a 64-bit/128-bit WiredEquivalent Privacy (WEP) encryption and Wi-Fi Protected Access(WPA) features.For security concerns, DO NOT connect to the unsecurednetwork; otherwise, the information transmission withoutencryption might be visible to others.