SFP 1.25G Tx1550/Rx1490 80Km LC Tr...by gearlinkoptic101https://www.gearlinkoptic.com/products/sfp-1.25g-tx1550-rx1490-80km-lc-transceiver/ Gearlink's GCS7L0C54 SFP transceiver is compatible with the Small Form Factor Pluggab...bidimultimode [Twoshot] [T] Dope [VKook]by Bi Di276282Jjeoreo!Completedfanficbidibts+1 more [Oneshot] [T] Big Smile [VKook]by Bi Di9871Luôn luôn muốn nhìn thấy nụ cười của anh!Completedbidibtsfanfic+1 more