Huawei AP661 is a Wi-Fi 6 (802.11ax) indoor access point designed for high-density environments. It supports simultaneous connections on 2.4 GHz (2x2 MIMO), 5 GHz (2x2 MIMO), and 5 GHz (4x4 MIMO) bands, achieving a maximum device rate of 6.575 Gbps. The AP661 is known for its built-in smart antennas and ability to handle a large number of users, making it suitable for locations like mobile offices, educational institutions, and stadiums.