The UniFi UAP-XG/AC-HD/AC-SHD family covers premium high-density Wi-Fi 5 (802.11ac) Wave 2 access points including the quad-radio XG, AC-HD, and security-focused AC-SHD, all sharing a common firmware image. These were Ubiquiti's top-tier access points for high-density and high-security deployments, managed through the UniFi Network controller. Part of Ubiquiti's legacy UniFi HD access point lineup.