Interworld Electronics supplies a wide range of Asynchronous and Synchronous Serial Communications Boards and adapters. The range includes RS-232, RS-422 and RS-485 protocols boards with single, dual and multi-port options. Connectivity options include Universal PCI, PCI-Express, mini-PCIe, M.2, PC/104 and USB bus architectures. Our Ethernet/Wireless Communications devices include both Wired and 802.11 Wireless industrial strength Ethernet Serial Device Servers that allow virtual comm ports to connect to remote serial devices.