Product code RB951Ui-2nD CPU nominal frequency 650 MHz CPU core count 1 Size of RAM 64 MB 10/100 Ethernet ports 5 Wireless standards 802.11b/g/n Wireless chip model QCA9531 Number of USB ports 1 Power Jack 1 PoE in Yes Supported input voltage 6 V - 30 V PoE out Yes Dimensions 113 x 89 x 28mm Operating System RouterOS Tested ambient temperature -30 + 70 C License level 4 Antenna gain DBI 1.5 CPU QCA9531 Max Power consumption 5W USB slot type USB type A Number of chains 2 Storage type FLASH Storage size 16 MB