This is a tricky one I feel. MODULES doesn't seem right as the clue for that wouldn't need the 'made up of' bit.
Modular seems fine but the penultimate letter is more likely to be E than A because YELL seems better than CALL.
Moduled could be right but it's not a word I've ever heard used and from a brief search i cant see it any dictionary.
It might be worth checking in the new Crosswords section to see if it's been asked before
I have just seen a thread on this in crosswords section which is good for these. The 'shout out' was suggested as BAWL which sounds okay, so that would mean MODULAR fits