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Continue to ChatModulo SFP Bi-Direcional WDM 1000 Base-BX TP-Link Monomodo 20 KM TX1550 - TL-SM321A https://www.papelariadocontabilista.com.br/informatica-fibra-optica/modulo-sfp-ou-gbic/modulo-sfp-bi-direcional-wdm-1000-base-bx-tp-link-monomodo-20-km-tx1550-tl-sm321a/p