Feature: FBT technique employed Broadband coupler employs the Bandwidth-extending Technique(Asymmetrical Technique) Low Excess Loss, Good Directivity & Uniformity, Low PDL ,Good Environmental Stability Available in 1xN or NxM configurations Application: Optical Fiber Communication Systems, Optical Fiber Access Network, CATV, FTTX, LAN, WDM Test Equipment, EDFA, Optical Fiber Sensor, Light Source Distribution