Fibridge
https://www.fibridge.com/products/fshklb23-32-k10c-i-sfp-10gb-s-single-fiber-sm10km-ddmi.html
FSHKLB23 (32)-K10C (I) SFP+ 10GB/S SINGLE FIBER SM10KM DDMI
Fibridge FSHKLB23(32)-K10C(I) SFP+ 10Gb/s T12/R13(T13/R12) 10km DDMI is compliant with SFP MSA, SFP-8472, RoHS and IEEE802.3ae. It is widely used in 10GBASE-LR/LW 10G Ethernet, 1Gb/s, 2Gb/s, 4Gb/s, 8Gb/s and 10Gb/s Fibre Channel, CPRI Rates 10. 138 Gb/s, 9.830 Gb/s 7.373 Gb/s, 6.144 Gb/s, 4.915 Gb/s 2.458 Gb/s, 1.229 Gb/s, 0.614 Gb/s and Other Optical Links.