Fiber Optic Cable Coupler is special designed for pre-terminated fiber optic cable connecting to reach long distance Ethernet extension via fiber optic connection with SC to SC easy plug and play design. It is compatible with various fiber optic cable tpyes with different data rate, such as multimode OM1, OM2, OM3 and OM4 or singlemode. IP68 rated protection and reliable waterproof design provides guarantee for any application at outdoor or industrial tough environment, such as outdoor LED equipment, grating, CCTV(closed-circuit monitor series), factory automation control, wireless bridge, etc. There's no need for you damage or configure the original cable, saving cost and ensure security on installation. Besides, it features extremely thin head design, so that you can plug the pre-pressed crystal head directly, offering great convenience on connection. Moreover, EMI protection ensures no signal degradation after connection.