Send the following on WhatsApp
Continue to ChatModulo SFP Bi-Direcional WDM 1000 Base-BX Tp-Link Monomodo 20 KM TX1310 - TL-SM321B-SINOP-03 https://vendas.martelecom.com.br/informatica-fibra-optica/modulo-sfp-ou-gbic/modulo-sfp-bi-direcional-wdm-1000-base-bx-tp-link-monomodo-20-km-tx1310-tl-sm321b-sinop-03/p