Sealevel reinvented the I/O and industrial 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. All products are world class, American made.
The Relio™ R1 Edge is the American-made, rugged industrial computer built to disappear into your operations—delivering uncompromising reliability and connectivity at the edge, anywhere, anytime.
We offer the widest selection of asynchronous and synchronous serial solutions made by Sealevel. Sealevel serial interfaces are trusted for factory and process automation, and other data-intensive applications.
