Dorelink
| Specifications | Details |
| Form Factor | SFP |
| Max Data Rate | 4.25Gbps |
| Wavelength | 850nm |
| Max Cable Distance | 150m |
| Connector | Duplex LC |
| Media | MMF |
| Transmitter Type | VCSEL |
| Receiver Type | PIN |
| TX Power | -9 ~ 0dBm |
| Receiver Sensitivity | < -20dBm |
| EMC Supported | Yes |
| DDM/DOM | Supported |
| Protocols | MSA Compliant |
| Temperature Range | 0 to 70°C / -40 to 85°C |
| Warranty | 5 Years |
We draw on over 10 years of experience in chips and modules to integrate fast speeds, small size, power savings, and high performance in every module. Our full series of optical modules is designed for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.
| Part Number | Data Rate | Wavelength | Distance | Media | DDM |
| LS-MM854G-S1C | 4.25Gbps | 850nm | 150m | Multi-mode | Yes |
| LS-MM852G-S3C | 4.25Gbps | 850nm | 300m | Multi-mode | Yes |
| LS-MM854G-S5C | 4.25Gbps | 850nm | 500m | Multi-mode | Yes |
| LS-SM314G-02C | 4.25Gbps | 1310nm | 2km | Single Mode | Yes |
| LS-SM314G-04C | 4.25Gbps | 1310nm | 4km | Single Mode | Yes |
| LS-SM314G-10C | 4.25Gbps | 1310nm | 10km | Single Mode | Yes |
| LS-SM314G-40C | 4.25Gbps | 1310nm | 40km | Single Mode | Yes |
| LS-SM554G-40C | 4.25Gbps | 1550nm | 40km | Single Mode | Yes |


Providing end-to-end DWDM devices including active modules and optical passive devices like optical amplifiers (EDFA & RFA), Mux & Demux, OPM, ROADM, MCS, OLP, and OTDR.
High-speed optical interconnect solutions ranging from 10G to 800G, specifically designed to meet mass data transmission demands in modern data centers.
Solutions for 4G/5G systems including Dark Fiber, WDM, Radio over Fiber, and high-speed Back-haul with high reliability and mature laser chip solutions.
Fiber access total solutions covering all-optical or combined optical-copper access for global communication network construction.
Optical cable O&M solutions integrating line protection systems (OLP) and line monitoring systems (OLM) for stable communication operation.



As a specialized manufacturer of magnetic telecom and network components, we are certified by ISO9001:2000, ROSH, REACH, CE, and UL. Our facilities are equipped with advanced manufacturing and testing equipment. With a significant production capacity, we ensure high-quality delivery within short lead times worldwide.


It is primarily used for Fibre Channel storage area networks (SAN) and 4G Ethernet applications, providing high-speed optical links over multi-mode fiber.
Yes, this module supports DDM/DOM, allowing users to monitor real-time parameters such as temperature, optical power, and voltage.
Yes, samples are available to test the quality and compatibility with your existing networking equipment.
Stock items are ready to ship immediately, while mass production typically takes between 15 to 30 days depending on the volume.
We provide a comprehensive 5-year warranty on our optical transceiver modules, ensuring long-term reliability for your infrastructure.
Our modules are MSA (Multi-Source Agreement) compliant, which ensures high compatibility with most industry-standard networking hardware and switches.
