Various gigabit ethernet testers are available. Estimated world markets (total revenues) for network cable testers, according to Frost Sullivan, were about $119 million in 1999, $137 million in 2000, a projected $161 million in 2001, an estimated $188 million in 2002, and a projected $220 million in 2003. These amounts include testers for all categories of cable, not just Gigabit Ethernet ones.
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