SONT XP28BI-XXXXG25-40/F is hot pluggable 3.3V Small-Form-Factor transceiver module.It designed expressly for high-speed communication applications that require rates up to 25.78Gbps,it designed to be compliant with SFF-8472 and SFP28 MSA. The module data link up to 40km in 9/125um single mode fiber.