https://www.ebay.com/sch/i.html?_nkw=Addon+Network+Upgrades+Agm+1G+Bx+D40+Ao+Transceiver1+Gbps&_sacat=0&_dmd=2

Addon - Network Upgrades Agm-1G-Bx-D40-Ao Transceiver1 Gbps

Regular price
$272.00
Sale price
$190.00

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