MikroTik 802.11ac 5GHz 630mW MiniPCI-Express Wireless Card. This is our first MIMO 3x3 triple chain 802.11ac card in miniPCIe format, perfect for any RouterBOARD with miniPCIe slot, such as RB953, RB912, RB800, BaseBox etc. The card features built-in LED indicators for wireless mode, connection status (connected, searching, disabled), TX and RX activity and wireless signal strength - just looking at the card will help with installation and alignment.