The Zonet ZEW1603 - Wireless 11g PCI Adapter delivers an incredible speed to your desktop PC without running wires. It complies with the IEEE 802.11g standard, making it backward compatible with 802.11b networks for assured compatibility. Advanced 128-bit WEP encryption is supported to provide secure access for your data. Once you are connected, you can stay in touch with your email, access to the internet and send large files across the network.