The EXSW400 Wireless LAN Switch is a central component of Extricom's award-winning WLAN system, and the key building block for a new generation of business-class wireless infrastructure that scales from a single office to multi-building corporate campuses. The EXSW400 provides one uplink Fast Ethernet port to connect to the wired LAN, and four Fast Ethernet ports with Power over Ethernet (PoE) to attach Extricom UltraThin Access Points.