Dorelink
Dorelink
Dorelink Optical Communications Co., Ltd., established in 2016, has emerged as a titan in the R&D and manufacturing of high-performance optical transceivers. As the digital landscape shifts toward 5G and sophisticated IoT ecosystems, the demand for mid-range speed transceivers—specifically the 2.5G to 6G SFP series—has seen a massive resurgence. These modules serve as the critical bridge between legacy 1G networks and the high-demand 10G/25G architectures.
The global market for optical transceivers is currently undergoing a "Semantic Shift." While the headlines are dominated by 400G and 800G data center modules, the backbone of 5G RAN (Radio Access Networks) and enterprise broadband often relies on the cost-effectiveness and reliability of 2.5G and 6G SFP modules. In many industrial and telecommunication contexts, upgrading to 10G is overkill, both in terms of power consumption and capital expenditure. This is where Dorelink's specialized 2.5G~6G range provides a high-information gain alternative for system integrators.
The 2.5G to 6G SFP (Small Form-factor Pluggable) modules are designed to support a variety of protocols, including CPRI (Common Public Radio Interface), OBSAI, and Ethernet. Dorelink’s technical roadmap focuses on three pillars:
For manufacturers, the challenge lies in the 6G spectrum, which is frequently used for CPRI Option 5. These modules must maintain rigorous timing and synchronization (SyncE and IEEE 1588) to ensure that wireless signals are transmitted without phase drift.
Standard Ethernet applications for business broadband and campus networks, ranging from 300m to 80km.
Designed specifically for LTE and 5G wireless fronthaul, connecting BBU to RRU units.
Using WDM technology to transmit and receive on a single fiber, cutting fiber infrastructure costs by 50%.
As a leading Chinese manufacturer, Dorelink leverages the unmatched efficiency of the Shenzhen-Dongguan optical cluster. With a USD 18 million annual export revenue, our supply chain is built for resilience. We have bypassed global shortages by maintaining long-term partnerships with over 850 Tier-1 component suppliers.
Our facility implements a comprehensive quality management system. This isn't just a marketing claim—it is a rigorous 5-step process: IQC (Incoming), IPQC (In-process), FQC (Final), Reliability Testing (Aging), and final Signal Integrity Analysis. With 45 dedicated QC personnel, every 2.5G SFP module that leaves our factory is guaranteed for compatibility across 200+ vendors, including Cisco, Juniper, and Huawei.
The application of 2.5G~6G SFP modules varies significantly by region, influenced by local infrastructure maturity and regulatory standards:
Dorelink provides localized support and compliance, ensuring all products meet CE, RoHS, and FCC requirements, while offering OEM/ODM services for regional system integrators who require custom firmware for proprietary hardware.
As we look toward 2030, the 2.5G~6G niche will evolve with Silicon Photonics integration, further reducing the cost-per-bit. While 800G takes over the core, the edge of the network will continue to rely on these robust, low-latency SFP modules. Dorelink is already developing the next generation of "Green SFPs," which aim to reduce energy consumption by another 20%, supporting the global drive for Carbon Neutrality in Telecommunications.
Company Summary:
Registration: 2016 | Industry Experience: 12 Years | R&D Focus: 85 New Models/Year
Dorelink is not just a manufacturer; we are your strategic partner in optical innovation.
