UIO-4036 is a 4 port GbE Ethernet switch solution which is compatible with Advantech's 2.5" UIO40-Express SBCs; for instance, RSB-3430 and RSB-3720. It is a simple plug-and-play solution for IoT Data Collection. Please check also EPC-R3430ID-PLA160 for 4 Port Ethernet Switch Box Computer.