Its advantages are complete cutting, precise alignment, elastic mount, reliable fastening, etc., can make the signal low loss. The Optical Field Assembly Connectors Precision metallic V-Groove components with co-axial self centering, excellent and durable fixing property. The structure base on unique box-building crimping technology.Presenting the Bending fiber prevent the cable from draging. Integrated protection of the casing to withstand harsh indoor environment. After terminating, both the optical and mechanical performance reach the standard for FTTH. fiber optic fast connector/ quick fiber connector. Material: Plastic Color: Green+Black Insertion loss: less than 0.3 dB More than 50-55dB return loss The high temperature experiment: less than 0.3 dB (85 Celsius) Low temperature experiment: less than or equal to 0.3dB (-40 Celsius) Size: 53mm, the bottom diameter of 9mm Applied range: FTTx, optical fiber room line reconstruction SC Fiber optic fast connector CATV,Telecommunication networks Metro network,Local Area Network (LAN) Date processing networks Package Included: 40Pcs x Ftth Embedded Quick Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.