Perle IOLAN SDG4 W Secure Device Servers - 512 MB - Twisted Pair - 4 x Network (RJ-45) x Serial Port - 10/100/1000Base-T - Gigabit Ethernet - IEEE 802.11a/b/g/n - Wireless LAN - ISM Band ISM Band - UNII Band UNII Band - Management Port - Wall Mountable, Panel-mountable, DIN Rail Mountable: