Hisense VRF systems to KNX Gateway. The newer version of this device is IN770AIR00SO000The IntesisBox Gateway has been specially designed to allow bidirectional control and monitoring of Hisense VRF systems from a KNX installation.The gateway is directly connected to the outdoor units communication bus and enables the control of all the indoor units connected to the system. This allows not only the control and monitoring of the main AC functions ..