The Sony Ericsson GC99 PC card combines Wi-Fi with 3G/UMTS and global quad band GSM/EDGE/GPRS connectivity, providing a variety of network choices in a single, slim PC card, ensuring that workers on the move have access to the fastest data rates and most extensive coverage. The GC99 PC Card offers connectivity on UMTS networks at up to 384 kbps and works anywhere you can use a mobile phone. Alternatively, people can take advantage of the 54 Mbps data rate of Wi-Fi (WLAN) networks in offices or at public hot-spots to browse the Internet at full speed.