They don't mean 10Base2 "Thinnet", common in the late 1980s and in cheap installations in the early 1990s. They mean a modern (ish) device which uses existing

They don't mean 10Base2 "Thinnet", common in the late 1980s and in cheap installations in the early 1990s. They mean a modern (ish) device which uses existing TV cabling, to avoid rewiring in houses.