D-Link 220T/20KM/A1A WDM SFP 100Base-BX-D Tx:1550nm Rx:1310nm singlemode 20km

Description: Interface: Ethernet 100Base-BX-D, data rate: 100 Mbps
Interface: Ethernet 100Base-BX-D
Form Factor: SFP
Transfer rate: 100 Mbps
Wavelength: 1310 nm receive, 1550 nm transmit
Maximum transmission distance: 20 km