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DB Electronics – Dhuliyan Bazaar West Bengal's most Reliable & Trustworthy store, which gives you sales after service.Use of FWDM - WDM 1310-1490-1550 | केबल और इंटरनेट एक साथ एक फाइबर से कैसे ले जाये | Hindi how to use send cable edfa output and data(1310/1550) in single core fiberFWDM कैसे उपयोग करेBasics of FWDM Coupler Cable TV & Internet Signal Mixing through Single CoreWDM Usage :-it is mainly used to carry cable tv signal and internet signal through a single fiber . 1490/1310 mixes with 1550 within single core. EDFA Signal and OLT Signal Mixing in a Single core using WDMIn this video, we will see , Basics of FWDM Coupler | Cable TV Signal