https://www.ebay.com/sch/i.html?_nkw=Addon+Adtran+1442420G1+Compatible+Taa+Compliant+10Gbase+Lr+Sfp+Transceiver+Smf&_sacat=0&_dmd=2

Addon Adtran 1442420G1 Compatible Taa Compliant 10Gbase-Lr Sfp+ Transceiver (Smf

Regular price
$427.00
Sale price
$307.00

ADDON ADTRAN 1442420G1 COMPATIBLE TAA COMPLIANT 10GBASE-LR SFP+ TRANSCEIVER (SMF