... or split 1310nm and 1550nm optical signals, which double the fiber transmission capability and ensure bi-direction communication in the single ... fiber. It is widely used for fiber communication systems upgrading to expand the system ... :3.0×54 etc. - - - - - Connector:FC/UPC, FC/APC etc. - - - - Fiber Type:0=SMF-28, 1=flexcore, - - - - 2=50/125m, 3 ...