Model Brand: AddOn - Network Upgrades Model: AGM-1G-BX-D40-AO Details Device Type: Transceiver Wavelength: 1490nmTx/1310nmRx Transfer Rate: 1 Gbps Features Feature: Connector: LC DOM: DOM Form Type: SFP Media: SMF Reach: 40km Speed: 1000Base Speed (Mbs): 1000 Speed Description: 1-Gigabit Transceiver Type: BX