A:In terms of performance levels, there are: Carrier-level, enterprise-level (or industrial-level) can be divided into: 2.4GHz, 5GHz, in terms of the number of radio frequencies: single radio frequency, dual radio frequency can be divided into: 802.11a, 11b, 11g, 11n, 11ac According to the rate bandwidth: 54M, 150M, 300M, 867M, 1300M, 1750Mbps According to the structure: antenna separated type, antenna integrated type, ceiling mounted type, functional type: MESH nodes, bridges, APs and wireless clients are divided into: dedicated management software management within the local area network and cloud platform management (cloud AC)