Optocom release 50G PAM4 QSFP28,our 50G QSFP28 use EML and PIN solution, reach distance of 10km in wireless network ,it’s comply with IEEE802.3cd, QSFP28 MSA, etc. The 50G QSFP28 comes with the feature of the low power dissipation, the excellent TDECQ and sensitivity which provide a reliable and cost effective solution to the customers.