Find top-tier coherent optical modules with 400G and 100G transmission rates, DWDM support, and customizable options. Get the pluggable module performance you need from the manufacturer of choice for major networking equipment vendors worldwide. Optimize your network by selecting from the most complete range of transceivers anywhere โ for ETHERNET, HBA, storage area network (SAN), datacenters, campus LANs, and. Broad product offerings and innovative technology have made Coherent the world's largest supplier of pluggable optical modules. On the other hand, in the field of data communication, coherent technology has also become the mainstream solution for data center. NADDOD introduces a new range of 400G Digital Coherent QSFP-DD transceivers with three variants: ZR (QDD-400G-ZR) for 400G 120Km DCI DWDM applications, ZR Plus (QDD-400G-ZR+) for 100G/200G long haul and 300G/400G Metro IP over DWDM, and ZR+ Pro/High Power (QDD-400G-ZRP+) is an enhanced version of. Below is a comparative analysis of leading coherent optical modules based on technical specifications, pricing structures, and supplier credentials: The comparison reveals distinct application specialization. Shenzhen Hilink's 400G CFP2 solution targets telecom operators requiring maximum capacity. GIGALIGHT provides the smart box tools for online coding of SFP, XFP, SFP+, QSFP+, and QSFP28 optics, as well as wavelength tuning for 10G tunable XFP/SFP+ optical transceivers. GIGALIGHT provides a series of BER testing tools (checker) for 10G SFP+, 25G/32GFC SFP28, 40G QSFP+, 100G QSFP28, 200G.