4G optical module manufacturers

Key manufacturers of 4G optical modules include Fiberinthebox, Zhongji Innolight, Eoptolink, Accelink, and Quectel, offering a range of SFP transceivers and LTE modules for telecom and data center applications.Fiberinthebox

Fiberinthebox supplies 4G SFP transceivers compatible with 4x/2x/1x Fiber Channel and Gigabit Ethernet, supporting data rates up to 4.25 Gbps. Their 4G series includes small form factor pluggable (SFP) modules with Class 1 laser safety and optional digital diagnostic monitoring (DDM). Modules such as FSFP-4G85-1M-xx and FSFP-4G31-10-xx are designed for single-fiber communications and are compliant with MSA standards, ensuring compatibility across platforms .

Zhongji Innolight

Zhongji Innolight is a high-speed optical module solution provider specializing in high-end optical communication transceivers. They offer modules for datacom, 5G fronthaul, midhaul, and backhaul, including 100G, 200G, 400G, and 800G optical modules. Their products are widely used in cloud data centers and telecom networks, providing reliable high-speed connectivity .

Eoptolink

Eoptolink, based in Chengdu, China, focuses on high-performance optical modules and devices for ICT industries, including FTTx, LTE, security monitoring, and smart grids. Their modules comply with international standards such as TUV, CE, UL, FCC, FDA, RoHS, and REACH, and they serve over 300 customers globally .

Accelink Technologies

Accelink develops and mass-produces optical modules using PLC, FP, DFB, EML, VCSEL, and APD technologies. They provide integrated solutions for optical communication transmission networks, access networks, and data centers, with vertical integration from chips to subsystems. Their products are widely adopted by telecom operators and equipment integrators .

Quectel

Quectel specializes in 4G LTE modules for IoT and M2M applications. Their LTE Cat 1 and Cat 4 modules support download speeds up to 150 Mbps and upload speeds up to 50 Mbps, with features like MIMO, GNSS positioning, and low power consumption. These modules are suitable for asset management, smart metering, security, and industrial automation .

Summary

For 4G optical modules, Fiberinthebox provides SFP transceivers for Fiber Channel and Ethernet, while Zhongji Innolight, Eoptolink, and Accelink focus on high-speed optical communication solutions for telecom and data centers. Quectel offers LTE-based 4G modules for IoT and M2M applications. These manufacturers provide MSA-compliant, high-performance, and globally certified modules, suitable for a wide range of networking and industrial applications .