The RB2011 is a low cost multi port device series. Designed for indoor use, and available in many different cases, with a multitude of options.
The RB2011 is powered by RouterOS, a fully featured routing operating system which has been continuously improved for fifteen years. Dynamic routing hotspot, firewall, MPLS, VPN, advanced quality of service, load balancing and bonding, real-time configuration and monitoring - just a few of the vast number of features supported  by RouterOS.
RouterBOARD 2011UiAS-RM, in comparison with RB2011L series, not only has five Gigabit LAN ports and Fast Ethernet LAN ports, but also has RJ45 serial port, microUSB port and more RAM (128MB instead of 64MB). Also, its has RouterOS L5 license (instead of L4) and nice touchscreen LCD for configuration. SFP cage is also present (SFP module not inclueded!).
There is PoE output function for port #10 - it can power other PoE capable devices with the same voltage as applied to the unit. Maximum load on the port is 500mA
Tested and recommended to use with MikroTik SFP modules: S-85DLC05D, S-31DLC20D and S-35/53LCD20D (not included).
RouterBOARD 2011UiAS-RM comes with 1U rackmount enclosure LCD panel and power supply.
 
Product Specification:
Product Code: RN2011UiAS-RM
CPU Nominal Frequency: 600 MHz
SFP DDMI: Yes
CPU Core Count: 1
Size of RAM: 128 MB
10/100 Ethernet Ports: 5
10/100/1000 Ethernet Portd: 5
Number of USB Ports: 1
Power Jack: 1
PoE In: Yes
PoE Out: Yes
Supported Input Voltage: 8 V - 30 V
Voltage Monitor: Yes
Dimensions: 214mm x 86 mm for PCB
Operating System: RouterOS
Tested Abient Temperature: -35C to +65C
License Level: 5
CPU: AR9344
SFP Ports: 1
USB Slot Type: microUSB Type AB
Serial Port: RJ45
Storage Type: NAND
Storage Size: 128 MB