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Amazon.com: Jeirdus for D-Link DEM-310GT SFP Transceiver Module 1.25Gb/s SMF 10km 20km 1310nm Duplex LC Connector : Electronics
Proline DLink DEM-310GT Compatible SFP TAA Compliant Transceiver - SFP (mini-GBIC) transceiver module - GigE - DEM-310GT-PRO - Transceiver Modules - CDW.com
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