ITU‐T's Technical Reports and Specifications 413 Supply air temperature sensor Fire detection NOTE ‐ in some building types a gas leakage detector may be required Figure 21 – Smart Room Controller in the T‐30 Prefabricated Hotel [Source: BROAD Sustainable Building Co. Ltd., b‐16] Room controllers include: Indoor ventilation Fresh air inlet Regulating air (conditioned air) Lighting Exterior shutter/curtain Interior curtain. The wiring for the interior of the room (sensor network) is not described but with at least 15 connected devices represents a significant need for sensor infrastructure with a structured wiring loom and conduit, sharing infrastructure costs.