100G QSFP28 DR1/FR1/LR1 transceivers are based on EML platform. These products feature four channels of 25G NRZ electrical signals and one channel of 50Gbaud PAM4 optical signal, a duplex LC connector, a distance of up to 10km reach via single-mode fiber, a case temperature range of 0°C~70°C, and compliance with IEEE 802.3cd, QSFP28 MSA, and 100G Lambda MSA standards. The products are mainly used in 100G Ethernet, data center, and cloud networks