SFP-FE20KT15R13, Juniper – SFP 100Base-BX Fast Ethernet Optics, Tx 1550nm/Rx 1310nm for 20km transmission
£580.63
SFP, 100GBASE-BX, Tx 1550 nm, Rx 1310 nm, SMF 20 km, Standard Temperature (0 through 70 DEGREE C), Duplex LC connector