Fibronexa
| Part No. | LS-MM854G-S1C |
| 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 (Electro Magnetic Compatibility) | Supported |
| DDM/DOM | Supported |
| Protocols | MSA Compliant |
| Temperature Range | 0 to 70°C / -40 to 85°C |
| Warranty | 5 Years |
| Sample | Available |
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.
We provide a full series of optical modules 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 |
We can provide end-to-end DWDM device solutions with almost all optical components - from active modules to optical passive devices. This includes optical amplifiers (EDFA & RFA), Mux & Demux, OPM, ROADM, MCS, OLP, and OTDR, among others.
To meet the demand for mass data transmission in data centers, we have developed a series of high-speed optical modules with data rates ranging from 10G to 800G, providing high-quality optical interconnection solutions for modern enterprise data networks.
We provide high reliability and performance products using mature, efficient lasers and mainstream chip solutions. The solution includes Dark Fiber, WDM, Radio over Fiber, High Speed, Mid-haul, and Back-haul, which meet all scenario requirements in 4G/5G systems.
Aimed at global communication network constructors, we provide total FTTx optical fiber access solutions covering all-optical or combined optical-copper access architectures and products.
To ensure the stable operation of active communication lines, we provide advanced optical cable O&M solutions integrating optical line protection systems (OLP) and optical line monitoring systems (OLM).




We are a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, RoHS, REACH, CE, and UL. Our production lines feature advanced manufacturing and testing equipment imported from leading overseas suppliers.
Established in 1997, our facility currently employs around 2,000 staff. With an abundant production capacity reaching 3,000K units per month, we efficiently ensure short turnaround times and prompt dispatch schedules.
In addition, we design, produce, and globally distribute a comprehensive range of optical modules for fixed access, wireless networks, carrier Ethernet, WDM, and high-speed cloud computing systems, employing the latest optoelectronic technologies.


We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, RJ11 connectors, SFP modules, and more.
Yes, we can provide free samples for quality evaluation purposes, with shipping/freight costs covered by the customer.
For items currently in stock, they are ready to ship immediately. For mass production orders, the standard lead time is 15-30 days.
We offer a one-year warranty period alongside 24-hour online technical support to handle any product queries.
Yes, we accept both OEM and ODM orders. Please send us your detailed specification requirements so we can discuss the customization parameters.
We carry over 19 years of dedicated manufacturing experience, operating as a trusted partner and supplier to major global systems integrators and enterprise brands.