1Pair Gigabit Fiber SFP Module 1000M LC 1.25G 1310nm/1550nm Single Mode A+B

10G SFP Transcevier BiDi WDM module 10km 20km 40km 60km 80km LC Full Compatible

SFP-10G-ZR Cisco 10GBASE-ZR SFP+, 1550nm, 80km, LC, SMF

For Cisco SFP-10G-ER SFP+Module Transceiver 1550nm SMF 40km 80km 100km Optional