The Edgewater Networks EdgeMarc 4550 Series VoIP SBC Gateway is a high-performance Ethernet switch designed for enterprise networking needs. It features a single WAN port with a maximum data rate of 100 Mbps and four LAN ports with a maximum data rate of 300 Mbps. With device connectivity options including serial (RS-232) and RAID levels of 1+0, this unit from the Enterprise product line offers reliable and efficient network connectivity for businesses. The Gateway brand ensures quality and performance in this sophisticated networking solution.