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Right:
"peripheral" is a relic of nomenclature that referred to any peripheral device, mouse, keyboard, printer and such things you plugged into your computer. These boards tended to be of similar quality when boardsort and others started recycling so the "peripheral boards" tend to be those things
"telecom" or telco or telecommunications, tended to refer to equipment from companies that handled telephone and communication services and required long life and reliability (more gold, silver and such)
Over time these have changed some, especially as more intermediary grades were established but largely peripheral is still basic consumer material and telco is still high end high value material.
_________________ Here to learn more so I can recycle more My grades are my own opinion and not an official grade from Boardsort
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