Wi-Fi Adapter for DVM S systems and single zone CAC systems (AC models). MIM-H05UN allows remote control via Samsung's SmartThings app. One Wi-Fi Adapter can control up to 16 indoor units connected to a single DVM S system, or connect a maximum of 16 Wi-Fi Adapters for control of up to 64 indoor units on the same system. Connection of multiple adapters allows access to individual indoor units for up to 16 different tenants. MIM-H05UN supports the same connection and functions. MIM-H05UN uses a different processor and firmware.