D-LINK DEM-302S-BXU/10, 1-port mini-GBIC 1000Base-BX SMF WDM (Bi-Directional) (up to 2km, single mode), Transmitting and Receiving wavelength: TX: 1310nm, RX: 1550nm, 10pcs in package D-Link

Name: D-LINK DEM-302S-BXU/10, 1-port mini-GBIC 1000Base-BX SMF WDM (Bi-Directional) (up to 2km, single mode), Transmitting and Receiving wavelength: TX: 1310nm, RX: 1550nm, 10pcs in package D-Link
Brand: UNKNOWN