Fiber optical coupler 1. High return loss 2. Low PDL 3. Low ... , Monitoring system6, Optic fiber sensor7, Testing devicesFeatures:1, Low excess loss2, Customized packaging available3, Environmentally ... to +80 degreeStorage temperature-40degree to +85degreeFiber typeNaked fiber, loose fiber or 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 ...