Eoptolink delivers the industry's broadest 100G, 200G, 400G, 800G transceiver portfolio with world-class quality and reliability. This YV-400GDD-LR4 product is designed for 10km optical communication applications. The module converts 8 channels of 50Gb/s (PAM4) electrical input data to 4 channels of CWDM optical signals, and multiplexes them into a single channel for 400Gb/s optical transmission. Reversely, on the receiver. TXOE is backed by a commonly owned manufacturing organization with proven experience supplying tier-1 data center operators in China. Amphenol is a leading innovator in the development and manufacturing of Active Optical Cables (AOCs), delivering high-performance interconnect solutions. Among the various 400G optical transceiver form factors, OSFP stands out as a next-generation form factor specifically designed for high-speed Ethernet, offering clear advantages. As transmission speeds move from 56G PAM4 to 112G PAM4 and beyond, PCB technology has become one of the most critical. Eoptolink (SZSE: 300502), founded in 2008, is a leading manufacturer of high-speed optical transceivers. At the heart of the operation is a best-in-class R&D team that continuously pushes the boundaries of technological advancement to help shape the industry. Our committed roadmap ensures we will.