Corvus's Omninet ran at one megabit per second, used twisted pair cables and had a simple add-in card for each computer. The card cost $400Corvus Press Release incl pricing, page 5. and could be installed by the end user. Cards and operating software were produced for both the Apple II and the IBM PC and XT. At the time, many networking experts said that twisted pair could never work because "the bits would leak off", but it eventually became the de facto standard for wired LANs.
