https://www.ebay.com/sch/i.html?_nkw=Addon+Network+Upgrades+Teg+Mg+Bx+U+40+Ao+Transceiver&_sacat=0&_dmd=2

Addon - Network Upgrades Teg-Mg-Bx-U-40-Ao Transceiver

Regular price
$148.00
Sale price
$96.00

Model Brand: AddOn - Network Upgrades Model: TEG-MG-BX-U-40-AO Details Device Type: Transceiver Wavelength: 1310nmTx/1490nmRx 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 Dimensions & Weight Dimensions: 0.30" x 0.50" x 2.20" (H x W x D) Weight: 0.15 lb