Cisco Systems on June 20 extended its wireless reach into new mobility services and for the first time integrated its <A HREF="http://www.eweek.com/article2/0,1759,1979461,00.asp?kc=EWRSS03119TX1K0000594">WLAN technology into a stackable form factor.</A> The switch provides 24 POE (power-over-Ethernet) ports and two Gigabit Ethernet uplinks and can be stacked using Cisco's StackWise technology to increase port density in the wiring closet.