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25G-SFP28-LR4 : 25G SFP28 1310nm 10Km LR4 DOM/DDM 25G SFP Transceiver sfp module sfp28 fiber module 25G 10km fiber module - AliExpress
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Cisco Compatible 25GBASE-LR SFP28 1310nm 2km Industrial DOM Duplex LC SMF Optical Transceiver Module - FS.com Europe
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Common optical module package types: SFP, SFP+, SFP28, QSFP+, QSFP28, how to choose an fiber module?
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BlueOptics SFP-25G-SR-C-BO | BlueOptics SFP-25G-SR-C-BO network transceiver module Fiber optic SFP28
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