SFP28 Multi-Rate Quad Transponder has 8 SFP28 slots. The device provides a flexible transmission of various protocols, such as 100M/1G/10G/25G Ethernet, SDH STM1/STM4/STM16/STM64, Fiber Channel 1/2/4/8 /10/16/32Gbps, CPRI, etc. The SFP28 transponder supports multi-rate functionality with optical data rates from 1Gbps up to32Gbps. The wide range of optical infrastructure solutions includes media conversion, signal repeating, lambda conversion.