MikroTik Routerboard RB911-5HacD 911 Lite5 Routerboard RB911-5HacD 911 Lite5 ac is a modernized version of our earlier 911 Lite5 dual model. It is a small RouterBOARD wireless router and access point, CPE type, with a built-in dual-chain 5 GHz wireless card, to which we have added support for the 802.11ac standard. It has a powerful processor (650 MHz, 64 MB) and is perfect for building custom 5 GHz CPE or Backhaul units. The router is equipped with a 10/100 Mbps Ethernet port. The device runs on the Mikrotik RouterOS level 3 system.