Lumetra Lumetra

Optical Transceivers 2.5G~6G SFP Module Factories & Supplier

High-Precision OEM/ODM Transceiver Engineering for Access Networks, Enterprise Wi-Fi Backhauls, 5G Wireless Infrastructure, and Industrial Automation

Featured 2.5G SFP Modules

High-performance bidirectional and duplex fiber optical modules engineered for high durability, long reach, and vendor interoperability.

2.5GBASE-LX Single Mode 2.5G SFP 1310nm 15km
2.5GBASE-LX Single Mode 2.5G SFP 1310nm 15km Duplex LC SMF Optical Transceiver Module
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2.5GBASE-IX Duplex LC SMF Optical Transceiver Module
2.5GBASE-IX Duplex LC SMF Optical Transceiver Module Single Mode 1310nm 2.5G SFP Module 2km
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2.5GBASE-SX Multimode 850nm 2.5G SFP Module
2.5GBASE-SX Multimode 850nm 2.5G SFP Module 300m Duplex LC MMF Optical Transceiver
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1310nm-TX/1550nm-RX Bidirectional Single Mode SFP 2.5G Bidi
1310nm-TX/1550nm-RX Bidirectional Single Mode SFP 2.5G Bidi 20km LC Optical Transceiver Module
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1550nm-TX/1310nm-RX Simplex LC SFP 2.5G Bidi
1550nm-TX/1310nm-RX Simplex LC SFP 2.5G Bidi 20km Single Mode Optic Transceiver Module
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1310nm-TX/1490nm-RX Bidirectional 2.5G SFP Bidi
1310nm-TX/1490nm-RX Bidirectional 2.5G SFP Bidi 20km SMF LC Optical Transceiver Module
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1310nm-TX/1550nm-RX Bidirectional SFP 2.5G Bidi 40km
1310nm-TX/1550nm-RX Bidirectional SFP 2.5G Bidi 40km SMF LC Optical Transceiver Module
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1490nm-TX/1550nm-RX Single Mode 2.5G SFP Bidi Transceiver 80km
1490nm-TX/1550nm-RX Single Mode 2.5G SFP Bidi Transceiver 80km Simplex LC Optical Module
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Global Market Insight

Understanding the Role of 2.5G to 6G SFP Modules in Modern Networking

As network architectures transition from traditional 1G (Gigabit Ethernet) speeds toward high-capacity 10G/25G structures, the 2.5G to 6G SFP optical transceiver module range serves as a critical bridge. High-bandwidth optical solutions in this speed bracket are key enablers for medium-density networks, enterprise access points, and wireless backhauls.

Whether upgrading copper-based local loop infrastructure to fiber (FTTx) or managing optical budgets inside modern enterprise networks, industrial engineers rely on 2.5G and 6G Small Form-factor Pluggable (SFP) modules for their balance of power efficiency, thermal reliability, and cost-effectiveness. In particular, wireless carriers use 6G transceivers on the Common Public Radio Interface (CPRI) standard to connect remote base units to antenna systems in LTE and early-stage 5G deployments.

Key Architectural Sweet-spots:

  • Broadband FTTx Aggregation: GPON OLT to ONU nodes rely heavily on 2.5G transceivers to distribute cost-effective optical signals across thousands of households.
  • Enterprise WiFi 6/7 Uplinks: AP backhaul channels exceeding 1 Gbps require SFP modules operating at 2.5G or 5G to bypass data bottlenecks.
  • 5G CPRI/OBSAI Protocols: Mobile front-haul towers use specialized industrial-grade 6G SFP transceivers to maintain phase synchronization across distributed networks.
  • High-EMI Industrial Automation: Converting copper industrial Ethernet links to single-mode fiber via 2.5G modules secures high data-integrity in heavy industrial zones.

Lumetra Optoelectronics: Advanced Engineering & High-Volume Assembly

A professional optical device developer providing complete structural OEM/ODM manufacturing, testing, and component customization.

8,500㎡
Production Facility
11 Years
Industry Expertise
USD 18M
Annual Export Revenue
86
R&D Engineers
1,200+
Supply Chain Partners

Advanced R&D Customization

Backed by our 86 R&D engineers, we provide complete custom hardware adaptations, including protocol compatibilities, wavelength tuning, form factor modifications, and low-power consumption optimization down to <1.0W per module.

Rigorous Quality Inspection

Our quality assurance department includes 48 trained inspectors utilizing automated optical performance testing, high-stress environmental screening chambers, and manual cosmetic evaluations to comply with global telecom benchmarks.

Strong Global Exporting

With over 7 years of pure export operations and 11 years of deep industry presence, Lumetra supplies data centers, telecom networks, and hardware OEMs across North America, Europe, Southeast Asia, and the Middle East.

Wavelength Budgets & Optical Specifications

Standard and Bidirectional (Bidi) optical paths calculated for fiber efficiency, insertion loss, and distance performance.

Wavelength Combination Fiber Type Laser Type Typical Reach Link Budget (dB) DDM Support
850nm Duplex (MMF) Multi-Mode OM2/OM3 VCSEL 300m - 550m 8.5 dB Standard / Optional
1310nm Duplex (SMF) Single Mode G.652 DFB 2km - 15km 11.0 - 15.0 dB Standard
1310nm-TX / 1550nm-RX (Bidi) Simplex Single Mode DFB / PIN 20km - 40km 15.0 - 19.0 dB Standard
1490nm-TX / 1550nm-RX (Bidi) Simplex Single Mode DFB / APD 80km 24.0 dB Standard
1550nm-TX / 1490nm-RX (Bidi) Simplex Single Mode DFB / APD 80km 24.0 dB Standard

The Engineering Evolution of 2.5G & 6G SFP Modules

The hardware path of 2.5G to 6G optical modules is driven by cost efficiency and thermal limits. Originally utilizing discrete components, modern SFP designs utilize highly integrated optical sub-assemblies (OSA) that combine the transmitter (TOSA) and receiver (ROSA) within single-mode TO-CAN packages. This packaging path significantly reduces parasitic capacitance and maintains signal integrity for data rates exceeding 5 Gbps.

In the future, the migration toward higher density networks will see hybrid SFP architectures capable of auto-negotiating speeds between 1G, 2.5G, 5G, and 10G. This backward compatibility protects investments for operators upgrading physical networks. Furthermore, the incorporation of Digital Diagnostic Monitoring (DDM / DOM) according to SFF-8472 standards allows administrators to monitor real-time parameters such as optical output power, optical input power, temperature, laser bias current, and transceiver supply voltage directly from network switches.

China Supply Chain Integration & Production Efficiency

How our strategic industrial clustering enables rapid prototyping, cost control, and reliable mass manufacturing.

Material Clustering

Our collaboration with over 1,200 strategic supply chain partners ensures we secure high-grade III-V semiconductor wafers, TO-headers, transimpedance amplifiers (TIA), and high-frequency PCBs at stable pricing even during global supply shifts.

Automated OSA Assembly

By using precision pick-and-place robotics and automated optical alignment systems on our 8,500㎡ facility floor, we achieve tight mechanical alignment tolerance of less than 0.5 microns, ensuring reliable coupling performance.

Rapid Production Scales

With an annual R&D release of around 220 new customized options, our production lines are built to transition seamlessly from rapid prototyping and small-batch custom runs to high-volume manufacturing, keeping lead times short.

Mitigating Global Geopolitical & Logistic Logistics Risks

Operating under stable international commercial frameworks, Lumetra handles complex customs clearances, tariff classification codes (HS Code: 85177090), and localized compliance. Through our established logistics hubs, we offer standard door-to-door air freight shipping options, bulk sea distribution, and regional warehousing configurations to streamline deliveries.

To ensure reliability for system integrators, every batch of transceivers undergoes comprehensive compatibility testing on actual network switches (Cisco, Juniper, Arista, Huawei, HPE, etc.) to guarantee plug-and-play operability without command-line errors.

Compliance & Reliability

Certified Performance: Strict Environmental Stress Screening

Every optical transceiver manufactured by Lumetra undergoes a sequence of physical and electrical testing. Our cleanrooms are monitored for dust control to prevent microscopic optical path contamination that could cause high insertion loss.

Our quality control protocols include automated optical eye-pattern verification, Bit Error Rate (BER) validation, thermal aging tests at extreme operating temperature ranges (-40°C to +85°C for industrial SFP lines), and structural insertion examinations.

Lumetra's output is certified for CE, FCC, RoHS, and REACH compliances, ensuring international safety and environmental standards are met.

Cleanroom Assembly & Automated Testing Infrastructure

Below are verified glimpses into our ISO-certified production lines, automatic alignment workshops, and QC testing stations where our 48-inspector team operates:

Frequently Asked Technical Questions

Expert technical answers addressing common integration issues, design rules, and compatibility options.

Q What is the difference between Commercial Temperature (C-Temp) and Industrial Temperature (I-Temp) SFP modules?

Commercial Temp (C-Temp) SFP modules are rated for standard indoor environments, operating between 0°C and 70°C. Industrial Temp (I-Temp) modules are built for rugged environments, operating between -40°C and 85°C. I-Temp SFP transceivers utilize specialized lasers (DFB or EM) and hardened components to maintain stable wavelengths and signal performance in remote locations, smart grids, and outdoor telecoms.

Q How do Single-Fiber Bidirectional (Bidi) SFP modules double fiber density?

Standard duplex optical transceivers use one fiber channel to transmit data (TX) and a second channel to receive data (RX). Bidi SFP transceivers transmit and receive signals over a single fiber by using two distinct wavelengths (e.g., 1310nm-TX and 1550nm-RX). They employ integrated Wavelength Division Multiplexing (WDM) diplexers to separate incoming and outgoing paths. This allows installers to double data capacity over existing fiber cabling.

Q What is SFF-8472 / DDM and why is it important for network operations?

Digital Diagnostic Monitoring (DDM), also known as Digital Optical Monitoring (DOM) under the SFF-8472 standard, provides real-time access to module operating parameters. These include optical transceiver temperature, laser bias current, optical output power, received optical power, and supply voltage. Network engineers use DDM parameters to locate system faults, isolate fibers, and predict component failure before downtime occurs.

Q Can Lumetra write custom EEPROM data to ensure compatibility with major switch vendors?

Yes. Major networking OEMs code-lock their SFP ports to reject third-party modules. Lumetra utilizes in-house coding platforms to write custom EEPROM configurations (matching Vendor IDs, serial numbers, and check-sum parameters) for compatibility with Cisco, Juniper, HPE, Arista, Intel, Dell, and other leading manufacturers.

Q How does Lumetra support custom requirements for specialized OEM/ODM projects?

Supported by our 86 R&D engineers, we can customize parameters such as wavelength matching, power budgets for extended distances (up to 120km), custom optical connectors (e.g., Angled Physical Contact - APC), and firmware tuning. These services help clients meet specific requirements for unique projects.

Explore Our Complete 2.5G~6G SFP Selection

Further wavelength budgets, single-fiber Bidi modules, and multi-mode systems for short and long-haul architectures.

1490nm-TX/1310nm-RX Single Mode SFP 2.5G Bidi 20km
1490nm-TX/1310nm-RX Single Mode SFP 2.5G Bidi 20km Simplex LC Optic Transceiver Module
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1550nm-TX/1310nm-RX Single Mode SFP 2.5G Bidi 40km
1550nm-TX/1310nm-RX Single Mode SFP 2.5G Bidi 40km Simplex LC Optic Transceiver Module
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1550nm-TX/1490nm-RX Simplex LC SFP 2.5G Bidi 80km
1550nm-TX/1490nm-RX Simplex LC SFP 2.5G Bidi 80km SMF Bidirectional Optical Transceiver Module
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2.5GBASE-SX Multimode 850nm 2.5G SFP 300m
2.5GBASE-SX Multimode 850nm 2.5G SFP 300m Duplex LC MMF Optical Transceiver Module
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Multi Mode 850nm SFP 2.5G 550m MMF
Multi Mode 850nm SFP 2.5G 550m MMF Duplex LC Optic Transceiver Module
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2.5GBASE-LX Single Mode 1310nm SFP 2.5G 2km
2.5GBASE-LX Single Mode 1310nm SFP 2.5G 2km Dual LC Optic Transceiver Module
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Single Mode 2.5G SFP 1310nm 10km DDM
Single Mode 2.5G SFP 1310nm 10km DDM Duplex LC Optical Transceiver Module
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2.5GBASE-LX Single Mode 2.5G SFP 1310nm 15km SMF
2.5GBASE-LX Single Mode 2.5G SFP 1310nm 15km SMF LC Optical Transceiver Module
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All 2.5G~6G SFP Module Products