Features： 1、MULTIMODE SINGLE CORE: The fiber optic cable is a 3meters/3.3yd multimode single core fiber optic patch cord, SC/SC‑SM 2、LOW INSERTION LOSS: The optical fiber sleeves are made of high quality ceramics to ensure extremely low insertion loss and reflection loss, so that the loss of optical signals is very small 3、EASY to USE: The fiber optic cable has low insertion loss, large return loss, good interchangeability, repeatability, easy to use 4、THREADED LOCKING: FC type optical fiber pigtails are threaded locking, which can be movably connected, and are suitable for FC type adapters 5、SCOPE of APPLICATION: Can be used for optical fiber wiring, communication room, link transmission equipment, optical fiber communication, communication base station, transceiver equipment Specification： Item Type: Fiber Optic Cable Material: Ceramic, PVC Model: E-FC/FC-MM-3M Purpose: Optical Fiber Wiring, Communication Room, Link Transmission Equipment, Optical Fiber Communication, Communication Base Station, Transceiver Equipment Ferrule Material: Ceramic Insertion Loss: ≤0.2 Return Loss: ≥45≥60≥50 Interchangeability: ≤0.1 (db) Working Temperature: -20℃~+60℃ Storage Temperature: -40℃~+80℃ Spectrum Bandwidth: 60nm Optical Fiber Outer Diameter: Approx. 3.0mm/0.12in Length: Approx. 3meters/3.3yd FC Type Optical Fiber Jumper, Pigtail: Threaded Locking, Movable Connection Scope of Application: Suitable for FC Type Adapter Package List： 2 x Fiber Optic Cable