ITEM NAME:Pair of 1000Mbps External Ethernet Media Single Mode Transceiver Description: Optical interface: SC; Model: LH.GD. Meet IEEE802.3z/AB 1000Base-T standard and 1000Base-SX/LX. Extends fiber optic distance: 20km. Gigabit Ethernet 10/100/1000M adaptive mode. Emission Wavelength: 1310nm. Specification: Material: aluminium alloy Product: approx. 240x140x120mm Package Includes: 1 Pair Fiber Optical Converters Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 1 Pair 5V 2A power supply needs to be equipped by yourself. SKU: DMO0008998363021054.Gigabit Ethernet 10/100/1000M adaptive mode. 1 Pair Fiber Optical Converters. Product: approx. SKU: DMO0008998363021054. Optical interface: SC; Model: LH.GD.