Quick overview from the supplier:
MikroTik RouterBOARD hAP ac2, Dual Band Wireless Router, 2.4GHz Dual + 5GHz, P/Bridge/Station/WDS, 802.11b/g/n/ac, 1 WAN + 4 Gbit LAN, USB port for 3G/4G modem, Wireless chip IPQ-4018 716MHz, RAM128MB, Passive PoE, RouterOS