SFP-FE20KT13R15, Juniper – SFP 100Base-BX Fast Ethernet Optics, Tx 1310nm/Rx 1550nm for 20km transmission
£549.78
SFP, 100GBASE-BX, Tx 1310 nm, Rx 1550 nm, SMF 20 km, Standard Temperature (0 through 70 DEGREE C), Duplex LC connector