Techwin is a trusted ODM Optical Module Manufacturer specializing in high-performance optical communication modules for data centers, telecom networks, cloud computing, AI infrastructure, and high-speed transmission systems. Our 400G QSFP-DD LR4 optical transceiver is engineered to deliver reliable long-distance data transmission with exceptional stability, low power consumption, and high compatibility.
Designed for 400G Ethernet applications, the QSFP-DD LR4 module supports high-density networking environments and enables efficient data transfer across long-range optical fiber links. With advanced silicon photonics technology and strict quality management, Techwin provides scalable ODM and OEM optical module solutions tailored to global communication equipment manufacturers and network integrators.
Techwin is a professional ODM optical module manufacturer, providing high-performance 400G QSFP-DD LR4 optical transceivers for modern data center, cloud computing, and telecom applications. This 400G optical module supports long-distance transmission and is engineered for reliability, scalability, and high-speed networking environments.
The 400G QSFP-DD LR4 transceiver utilizes advanced PAM4 modulation technology, converting 8 channels of 50Gb/s electrical signals into 4 CWDM optical wavelengths for efficient 400Gbps transmission. It supports transmission distances of up to 10km over single-mode fiber (SMF) with duplex LC connectors, making it ideal for metro networks, hyperscale data centers, and long-reach interconnect applications.
Designed in a hot-pluggable QSFP-DD form factor and compliant with IEEE 802.3 standards and QSFP-DD MSA specifications, this ODM 400G optical transceiver ensures seamless integration, stable signal transmission, and reliable network performance.
As a trusted ODM optical module manufacturer, Techwin provides customized OEM/ODM optical module solutions for 400G QSFP-DD LR4, 100G QSFP28 PSM4, and other high-speed optical transceiver products. Our optical modules are widely used in 5G networks, enterprise networking, telecom infrastructure, data centers, and high-performance computing (HPC) environments.
Techwin provides customized optical transceiver solutions for data centers, telecom operators, and network equipment vendors. As an ODM optical module manufacturer, Techwin offers product customization, compatibility coding, private labeling, and large-scale production services to meet diverse networking requirements.
The 400G QSFP-DD LR4 optical module is designed for 400G Ethernet networks, cloud computing infrastructure, data center interconnects (DCI), and enterprise backbone networks. It supports high-speed data transmission over single-mode fiber for distances up to 10km.
Yes. Techwin’s 400G QSFP-DD LR4 modules can be programmed and tested for compatibility with leading switch and router manufacturers. This helps ensure seamless integration into existing network environments while reducing deployment costs.
The 400G QSFP-DD LR4 transceiver supports 400GBASE-LR4 transmission, uses duplex LC connectors, operates over single-mode fiber, and delivers up to 10km reach using four CWDM wavelengths. It complies with QSFP-DD MSA and IEEE 400G Ethernet standards for reliable high-bandwidth connectivity.