characterizing the market for external power supplies shawn g dubravac cfa economist consumer electronics association eps marketplace mobile phones account 52 of unit sales new technologies ie poe are encroaching on low segment 70 growth will come in higher powered section source darnell group roadblocks manufacturers finding asymmetric pricing unique needs requiring custom specs increasing costs 3 26 at retail supply firms large quantities especially lower voltage ranges having difficulty sufficient cec compliant failing reporting up to tier 1 compliancy and other tests quality safety ul & fcc cea research 15 4 60 7 19 6 medical communications computers short term externalities expenses beyond just labeling product packaging etc forces extensive engineering resources be dedicated expensive retrofit design substitute towards due current constraints voltages drive products some entire categories out less choice increases
