This LumaOptics LD9131EFLSAxx DFB coaxial pigtailed laser module is a low-cost laser module with a miniaturized size. MQW-DFB Laser, Back-facet monitor InGaAs PIN photodiode and optical isolator are mounted into a coaxial pigtail package integrated with a optical connector. LD9131EFLSAxx is designed for CATV return path and Analog transmission applications. LD9131EFLSAxx is compliant with RoHS.