No. of Adapter/Port 12 Fiber Count 24 Fibers Adapter Type LC Duplex (Blue) Fiber Mode OS2 9/125µm Material of Sleeve Zirconia Ceramic Material of Plate 1.5 mm SPCC (Black Coating) Insertion Loss = 0.2 dB ( 0.1 dB Typ. ) Return Loss =50dB Durability =500 mating cycles Dimensions (HxW) 1.38 ''x 4.29 '' (35x109mm) RoHS Compliancy Status Compliant Application Matching for FHD Series Enclosures