overviewthe rb2011 is a low cost multi port device series. designed for indoor use, and available in many different cases, with multitude of options.the rb2011 is powered by routeros, and it has a routing operating system that has been continuously improved for fifteen years. dynamic routing, hotspot, firewall, mpls, vpn, advanced quality service, load balancing and bonding, real-time configuration and monitoring - just a few of the vast number of features supported by routeros.routerboard 2011uias-in, in comparison with rb2011l series, not only has five gigabit lan ports and five fast ethernet lan ports but also has rj45 serial port, microusb port and more ram (128mb instead of 64mb). also, it has routeros l5 license (instead of l4) and nice touchscreen lcd for configuration. sfp cage is also present (sfp module not included!)tested and recommended for use with mikrotik sfp modules: s-85dlc05d, s-31dlc20d and s-35/53lc20d (not included)there is a poe output function for port # 10 - it can power other poe devices with the same voltage as applied to the unit. maximum load on the port is 500ma.routerboard 2011uias-in comes with desktop enclosure, lcd panel and power supply.specificationsproduct code?? rb2011uias-insfp ddmi?? yescpu nominal frequency?? 600 mhzcpu core count?? 1size of ram?? 128 mb10/100 ethernet ports?? 510/100/1000 ethernet ports?? 5number of usb ports?? 1power jack?? 8-28v dc802.3af support?? nopoe?? 8-28v dc on ether1voltage monitor?? yespcb temperature monitor?? yescpu temperature monitor?? nodimensions?? 214mm x 86mm for pcboperating system?? routerosoperating temperature range?? -35c to + 65clicense level?? l5current monitor?? nocpuar9344-bc2asfp ports?? 1usb slot type?? microusb type ab