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StarTech.com Cisco GLC-LH-SMD Compatible SFP Module - 1000BASE-LH - 1GE Gigabit Ethernet SFP 1GbE Single Mode Fiber SMF Optic Transceiver - Cisco GLC-LH-SMD Compatible SFP - 1000BASE-LH 1 Gbps - 1GbE Module - 1GE Gigabit Ethernet SFP 1310nm - Single Mode (SMF) Transceiver - 20km (12.4mi) - LC Connector DDM - Hot-Swappable & MSA Compliant - Lifetime Warranty




