Sealevel Systems, Inc.

Sealevel Systems, Inc. reinvented the industrial I/O and computing industry with the first RS-422/485 communication adapter for the IBM PC. Since 1986, Sealevel has continued to redefine design, engineering and manufacturing for industrial computers, Ethernet serial servers, USB serial, PCI Express and PCI bus cards, and IoT hardware and software. Today we offer over 350 core products, available in nearly every configuration imaginable. If you need something completely customized to meet your specifications, we have that, too. Our award-winning team of engineers is at your service. Sealevel is committed to a first-in-industry lifetime warranty on I/O and long-term availability of all products, beyond the life of your mission.