The JAHT WN-4054PCI 802.11g PCI adaptor offers an additional option on top of the popularly deployed 802.11b PCI for a higher speed connection to up to 54Mbps. WN-4054PCI, compatible to PCI version 2.2 wirelesslize all PCs that have a PCI slot for expansion. Moverover, the easy setup instantly transform your PC into a wireless station that is able to share printers and files just like a wired network. WN-4054PCI provides 360 degrees' coverage of wireless access by employing a detachable dipole antenna, which can be replaced with any types of external antennas to better signal strength, link quality and enhance signal coverage range. Support of 64 and 128-bit WEP encryption plus WPA (Wi-Fi Protected Access) high-level encryption keeps your wireless network from unauthorized access and ensures secure data transfer. WN-4054PCI is backward compatible with 802.11b products, allowing interoperability with any Wi-Fi-certified wireless 802.11b/g products. Support of most operating systems such as Windows98SE/ME/2000/XP offers greater scalability and usability.