SMC Networks SMCWCB-G Wireless Cardbus Adapter 54Mbps WLAN 32-bit Cardbus PCMCIA Type II Adapter IEEE 802.11G standard, Backward compatibility to existing 802.11B Advanced security through 64/128-bit WEP encryption, Wi-Fi Protected Access (WPA) Built-in diversity patch 1.5dBm antenna EZ Installation Wizard