D4 optical adapter is for the alignment of two D4 connectors. OPCSUN manufactures adapter with high fine ceramic or PB sleeve to guarantee high precision alignment of the two connectors. Specs: D4/SM, D4/MM... [more]

OPCSUN’s optical fiber patch cord is manufactured and tested in strictly accordance with international standards. Featured with low insertion loss, high return loss, high temperature stability, strong environmental adaptability and high cost-effectiveness. ... [more]

OPCSUN’s optical fiber patch cord is manufactured and tested in strictly accordance with international standards. Featured with low insertion loss, high return loss, high temperature stability, strong environmental adaptability and high cost-effectiveness. ... [more]