100% ADTRAN COMPATIBLE TRI TOWER BRANDED SMALL FORM-FACTOR PLUGGABLE GPON OLT TRANSCEIVER SFP, 1490TX /1310RX , OC48 DDM, 20KM, NEW WITH A LIFETIME WARRANTY
100% ADTRAN COMPATIBLE TRI TOWER BRANDED SMALL FORM-FACTOR PLUGGABLE GPON OLT TRANSCEIVER SFP, 1490TX /1310RX , OC48 DDM, 20KM, NEW WITH A LIFETIME WARRANTY