... Direct Through Tech, including PC UPC and APC type. Also, transparent design of the side cover which ... tech with superior ceramic ferrule and aluminum alloy V-groove, while the R series applied the ... tech with superior ceramic ferrule and aluminum alloy V-groove.The UNIKIT®patented(fiber optic connectors, applied ... polished tech, the plug is UPC and APC type.RSC Series, fiber direct through tech, the ...