" (would not apply to eero beacon models which are outlet plug ins, but the placement instructions as found on the website state that they should be placed on a flat, hard surface (therefore, horizontally) that the signal goes outward in an upward direction, and they should be placed approximately half the distance from floor to ceiling, so hanging these on a wall defeats the efficiences promoted in those instructions.

Worked exactly as they should to mount my Eero devices to the walls in my house