Lumopt Lumopt

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

High-reliability, industrial-grade, and custom optical transceivers engineered for telecom carrier access, CPRI/eCPRI 5G wireless fronthaul, and mid-mile optical communications.

Global Commercial & Industrial Landscape (2.5G~6G)

Understanding the transition dynamics from legacy gigabit infrastructure to multi-gigabit access networks.

While hyper-scale data centers drive the adoption of 400G, 800G, and 1.6T transceivers, the 2.5G to 6G SFP module segment remains a highly critical, cost-effective sweet spot for telecom access networks, enterprise mid-mile setups, and cellular base station fronthaul links. Driven by the global rollout of Wi-Fi 6/7 access points and multi-gigabit broadband, access architectures require more than standard 1G throughput but cannot justify the thermal budget and cost of full 10G interfaces.

In the industrial sphere, 2.5G and 5G networks operate as backbones for advanced industrial automation, where determinism, temperature resilience, and electro-magnetic compatibility are paramount. Furthermore, in wireless networks, these modules support 3G/4G/5G CPRI/eCPRI interfaces (specifically CPRI options 3, 4, and 5 ranging from 2.45Gbps to 6.14Gbps), transmitting digitized RF data between baseband units (BBUs) and remote radio heads (RRHs).

As a leading exporter and manufacturer, Lumopt Opto Technology fills the crucial gap for system integrators who demand carrier-grade reliability without paying the premium tier prices of proprietary OEM hardware.

Lumopt Opto Tech Optical Transceiver Lab Inspection
<0.1 ms
Ultra-Low Latency
-40°C~85°C
Industrial Temp Range
80 km
Max Transmission Reach
100%
MSA & OEM Compatible
Unlocking Supply Chain Efficiency from Lumopt China Factory

How vertical integration and automated testing systems provide global buyers with unique cost and reliability advantages.

Standardized Cleanrooms
All optical sub-assembly (OSA) alignment and wire bonding processes are executed in class 100,000 dust-free workshops, keeping optical paths pristine to prevent signal degradation over long spans.
100% Automated Testing
We eliminate human error via automated testing systems (ATE) for optical spectrum analysis, eye diagram measurements, and multi-temperature cycling simulation before any shipment leaves our facility.
Custom EEPROM Programming
Our dedicated compatibility labs code and verify transceivers for compatibility with Cisco, Juniper, Huawei, Arista, HPE, Ubiquiti, Mikrotik, and other target host systems.
Inside Our Production Line & Quality Control Flow

Take a virtual tour of Lumopt’s manufacturing and testing process. We guarantee stable optical transmission through strict component assembly, rigorous stress tests, and automated calibration.

Twisting
Twisting Process
PCB Tinned
PCB Tinned
Soldering
Precision Soldering
Shear-LED-Pin
Shear-LED-Pin
Semi-finished Testing
Semi-finished Testing
Plastic-Case-Assembly
Plastic-Case-Assembly
Hi-pot Testing
Hi-pot Testing
Integrated-Testing
Integrated System Testing
Final-Inspecting
Final QC Inspection
Packing
Safe Packing Process
Comprehensive Tester
Comprehensive Optical Tester
LED Lamp Tester
LED Lamp Test Station
Hi-Pot Tester
Electrical Safety Tester
Automatic Welding Machine
Automatic Welding Machine
Laser Marking Machine
Laser Marking & Coding
Transformer Automatic Tester
Transformer Auto Tester
Transformer Automatic Packing Machine
Transformer Auto Packer
RJ45 Automatic Tester
RJ45 Automatic Tester
Quality Testing Lab 1
Quality Testing Lab 1
Quality Testing Lab 2
Quality Testing Lab 2
Localized Application Scenarios

Optimized optical sub-assemblies targeted for highly specific geographic and infrastructural deployments.

5G Fronthaul
CPRI/eCPRI Macro Cells

Operating at 6.144Gbps (CPRI Option 5) and 2.457Gbps, our industrial-grade transceivers are configured to endure unregulated outdoor temperature swings on wireless towers while maintaining spectral density.

Enterprise Access
Wi-Fi 6/7 Multi-Gig Uplinks

Designed to connect high-capacity Wi-Fi access points to core distribution switches using 2.5G and 5G optical interfaces over standard OM3/OM4 multi-mode fiber structures.

FTTH/FTTx
GPON & EPON Aggregation

Widely implemented in OLT (Optical Line Terminal) switch integration cards, bridging metropolitan fiber rings to individual customer nodes with high optical budget headroom.

Deep Technical Parameters: SFP Transceiver Engineering

A comprehensive breakdown of optical specs, supporting engineers in planning budget calculations and signal integrity limits.

Module Standard Wavelength (nm) Fiber Type Connector Type Max Transmission Distance DDM Support
2.5GBASE-LX 1310 nm Single Mode (SMF) Duplex LC 15 km Standard Integrated
2.5GBASE-IX 1310 nm Single Mode (SMF) Duplex LC 2 km Standard Integrated
2.5GBASE-SX 850 nm Multi-Mode (MMF) Duplex LC 300 m / 550 m Standard Integrated
2.5G BiDi (Tx1310/Rx1550) 1310nm-TX / 1550nm-RX Single Mode (SMF) Simplex LC 20 km / 40 km Standard Integrated
2.5G BiDi (Tx1550/Rx1310) 1550nm-TX / 1310nm-RX Single Mode (SMF) Simplex LC 20 km / 40 km Standard Integrated
2.5G BiDi (Tx1490/Rx1550) 1490nm-TX / 1550nm-RX Single Mode (SMF) Simplex LC 80 km Standard Integrated
Global Procurement Guide: Key Verification Milestones

Ensure your supply chain risks are minimized by reviewing these critical parameters before volume orders.

1. SFF-8472 Compliance & DDM Features

Digital Diagnostic Monitoring (DDM), also referred to as Digital Optical Monitoring (DOM), allows operators to read real-time optical power, temperature, bias current, and transceiver supply voltage. Always verify that your manufacturer enables DDM functionality by default in the EEPROM.

2. Wavelength Precision & Transmitter Options

For dense setups, Fabry-Perot (FP) lasers are cost-effective for short distances, while Distributed Feedback (DFB) lasers are critical for long-range spans (exceeding 20km) to combat dispersion penalty issues.

3. Industrial Operating Temperature Thresholds

Ensure that commercial-grade (0°C to 70°C) modules are not deployed in outdoor cabinets. For harsh environments (cellular masts, utility sub-stations), specify Industrial Temperature Range (-40°C to 85°C) to avoid transmitter degradation and link failures.

4. MSA Hardware Conformity

Standardizing transceiver dimensions according to SFP MSA ensures they fit properly into any slot. Always require dimensional analysis to ensure physical compatibility with standard mechanical bays.

5. EEPROM Customization

Different hosts (e.g., Cisco vs. Juniper) require unique vendor codes, checksums, and security keys written to the internal microchip. Standard bulk transceivers must be pre-coded at the manufacturing facility to achieve plug-and-play functionality.

About Lumopt Opto Technology

Your trusted one-stop supplier of certified high-performance optical transceivers from China.

Lumopt Opto Technology Co., Ltd., registered as Luguang Communication Technology Co., Ltd. in China, is a professional manufacturer and exporter specializing in high-performance optical transceivers. We focus on the R&D, production, and customization of a full series of optical modules covering 10G, 25G, 100G, 400G, 800G, and 1.6T products, which are widely applied in data centers, telecom networks, cloud computing, AI computing equipment, and enterprise communication systems.

Equipped with standardized dust-free production workshops, advanced automatic testing equipment, and a professional technical R&D team, we implement strict quality control throughout the production process. All our optical transceivers comply with international industry standards and have passed relevant reliability certifications, supporting OEM & ODM customized services to meet diverse demands from global buyers.

Adhering to the core concepts of stable quality, competitive pricing, and reliable after-sales support, Lumopt has built long-term cooperative partnerships with distributors, system integrators, and communication enterprises all over the world. We keep launching innovative optoelectronic products to deliver stable, cost-effective optical transmission solutions for global data communication markets.

Lumopt Opto Manufacturing Workshop Floor
Answers to Frequently Asked Sourcing Questions

Addressing technical, compatibility, and logistical inquiries for global engineering and procurement teams.

Are Lumopt 2.5G~6G SFP transceivers fully compatible with Cisco and other major OEM switches?

Yes. We specialize in custom-coding the EEPROM of every module to match the requirements of specific host switches (including Cisco, Huawei, Juniper, Arista, Ubiquiti, Mikrotik, and HP). Our transceivers comply fully with MSA hardware specifications, preventing compatibility alerts from being flagged by host operating systems.

What is the advantage of using BiDi (Bidirectional) SFP modules?

BiDi optical modules transmit and receive data over a single fiber strand using two distinct wavelengths (e.g., 1310nm-TX and 1550nm-RX). Deploying BiDi modules cuts your fiber cabling footprint and infrastructure deployment costs by 50% compared to traditional duplex fiber setups.

Can these transceivers operate in extreme outdoor climates?

Yes, we provide Industrial Temperature (-40°C to 85°C) variants for our entire portfolio. These modules are built with hardened components and premium lasers that resist thermal drift, making them ideal for outdoor telecom cabinets and industrial IoT networks.

How does Lumopt verify the quality of each batch before shipment?

Our quality control process is highly thorough: each transceiver is tested for eye diagram quality, jitter, receiver sensitivity, and optical power output. Following assembly, modules undergo aging tests in thermal chambers to weed out early failures and ensure long-term stability.

What is the standard lead time for OEM/ODM orders?

For standard models, samples can be shipped within 1–3 business days. Bulk orders or customized configurations (such as specific wavelengths, labels, or custom EEPROM coding) typically ship within 1 to 2 weeks, depending on component availability and production queue size.

All 2.5G~6G SFP Module Products