OPWAY success in released a variety of 100G QSFP28 ER4 solutions, this solutions can match different request in different clients, also, it could be provide both good performance and best cost. Our QSFP28 long distance module have already applied in related carrier network environment because it’s very stable. Our solutions are follow QSFP28 MSA, RoHS(Lead Free), it use 4x28G optical signal, transmission distance from 30 km to 40 km, the operating temperature can satisfied industry request which from -40~85°C maximum, and the typical value of power is 3.5~4.5w. Most mainstream equipment brand are compatible to our products.