Optoma WIB9080A.The WIB9080A is a wall mount designed for easy installation and alignment of Optoma 75″, 86″ and 98″ N-Series professional displays.
The open wall panel design allows easy cable routing, which expands the possibilities for electrical and cable management.
Installation is easy: simply mount the adapters on the display and hang them on the wall plate.

Product details : https://www.optoma.de/product/wib9080a—fixed-wall-mount-for-n-series-displays-65—98