NanoHD-RetroFit-3 Mounting Kit. Installation: Ceiling/Wall. Set of 3. UAP AC Pro to NanoHD Upgrade Kit. Upgrade kit to retrofit from the 20 cm diameter APs (AP-AC-PRO) to the 16 cm diameter AP-NanoHDs without needing to re-screw the mounting. Ubiquiti Networks is an American manufacturer of high-performance networking components. Ubiquiti's goal is to provide state-of-the-art and easily deployable communication solutions for a global customer base. The company was founded in 2005 and initially produced Wi-Fi adapters for PCs. Later, the product range expanded to include devices such as Wi-Fi routers, particularly for outdoor use. Meanwhile, the company also manufactures switches and surveillance cameras. Ubiquiti products are generally characterized by their superior performance, clever mechanical design, and ease of use.