... Duplex, 4~144 multi-fibersFiber Optic Cable Diameter:0.9mm, 1.6mm, 2.0mm, 3.0mmSM Fiber ... ESCON,DIN,D4,SMAInsertion Loss:PC< 0.2dB, UPC< 0.2dB , APC<0.3dBReturn Loss:UPC>55dB, APC> ... , Φ1.8mmΦ1.6mm PVC or LSZHΦ0.9mm, Φ0.6mm buffered fiber PVC or LSZHPolishing MannerUPC,SPC,APC ... ≥ 60dB (typ.65dB)Tested by JDS RM3750Repeatability ±0.1dB Operating temperature-400C to 850CGeometry Requirement(For Singlemode) ...