JIAXUN JQ-LW100-ER4C QSFP28 Optical Transceiver Module is designed for use in 100GBASE Ethernet throughput up to 40km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. And This transceiver is compliant with IEEE 802. It operates on four LWDM wavelengths with integrated multiplexing and demultiplexing. This transceiver converts 4x25G NRZ electrical. HTF 100G QSFP28 ER4 transceiver module designed for optical communication applications compliant to Ethernet 100GBASE-ER4 Lite standard.