Unicom's Micro-Switch/5 is a palm-sized 5-port 10/100 Fast Ethernet Switch designed for small work groups. This switch provides five N-Way 10/100Mbps RJ-45 ports with an Auto MDI-MDIX Crossover function which automatically detects the speed of the device that you plug into it, allowing you to use both 10Mbps and 100Mbps.