It looks like these rules a apply. http://www.hallikainen.com/FccRules/2013/2/907/index.php http://www.hallikainen.com/FccRules/2013/2/908/index.php There's an advantage to modular approvals, though a similar requirement probably applies to the unintentional radiator portion of a system using an RF module. Good luck! Harold > Hi, > > I'm asking here for views rather than true legal advice=85.although I kno= w > there are a couple of PIClisters who are quite FCC-savvy, so they might b= e > able to offer a definitive answer. > > I understand that when certifying a device under Part 15 as an intentiona= l > radiator (our is in the 2.45GHz spectrum -- Bluetooth Low Energy, but > we're using a baseband chip and RF stage rather than a module) changing o= r > adding components is an absolute no-no except if they're 'direct > equivalents'. No problem there. > > But what about if we were to get a device certified that had, say, sensor > A, sensor B, and sensor C loaded on the board and then *remove* one or tw= o > of those sensors for a specific application or market? If the whole > device/assembly is certified, can we do that? > > I will ask the testing house too, but wanted to see what y'all thought as > well -- I'm sure the testing house will say "you should get each variant > tested" :) > > Thanks! > > -m > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 FCC Rules Updated Daily at http://www.hallikainen.com - Advertising opportunities available! Not sent from an iPhone. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .