Fiber optical coupler 1. High return loss 2. Low PDL 3. Low insertion loss Fiber optical couplerType ... system4, FTTH5, Monitoring system6, Optic fiber sensor7, Testing devicesFeatures:1, Low excess loss2, Customized packaging available3, Environmentally stable4, High ... cableFiber lengthUser-definedPort Configuration1 to 2, 1 to 3, 1 to N, 2 to 2, 2 to 3, 2 to N, User-defined 1*2 Fiber optical coupler