Fibronexa Fibronexa

Single Mode 1550nm SFP 4G 40km SMF Duplex LC Optical Transceiver Module

Product Description

Single Mode 1550nm SFP 4G 40km SMF Duplex LC Optical Transceiver Module
Parameter Specification Details
Part No. LS-SM554G-40C
Form Factor SFP
Max Data Rate 4.25Gbps
Wavelength 1550nm
Max Cable Distance 40km
Connector Duplex LC
Media SMF
Transmitter Type DFB
Receiver Type PIN
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
View Our Solutions

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.

Optical Transceiver Module
Support Full Range Of 4.25G SFP
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
Process Flowchart
Product Categorization Chart
Application Fields
Optical Transport Networks

We provide end-to-end DWDM devices with almost all optical elements - from active modules to passive components, including optical amplifiers (EDFA & RFA), Mux & Demux, OPM, ROADM, MCS, OLP, and OTDR, among others.

Optical Transport Networks
Cloud and Enterprise

To meet the demand for massive data transmission in modern data centers, we have developed a series of high-speed optical modules with product rates ranging from 10G to 800G, providing high-quality optical interconnection solutions.

Cloud and Enterprise
Wireless Networks

We provide high reliability and performance products utilizing mature and efficient lasers and mainstream chip solutions. The portfolio includes Dark Fiber, WDM, Radio over Fiber, High Speed, Mid-haul, and Back-haul solutions to meet all the demands of various 4G/5G system scenarios.

Wireless Networks
FTTx Access Solutions

Aiming at global communication network constructors, we provide total FTTx optical fiber access solutions covering all-optical and combined copper/optical access structures and products.

FTTx Access Solutions
Subsystems & Monitoring

To ensure the normal and secure operation of the communication line, we provide the optical cable operation and maintenance solution which integrates an optical line protection system (OLP) and an optical line monitoring system (OLM).

Subsystems and Monitoring
Related Products SFP Cage
Related SFP Cage Products
Why Choose Us
Quality Standard Certificate
Advanced Assembly Facility
Rigorous Testing Phase
Reliable Global Shipping
Production Facilities
Production Workshop Floor 1
Production Workshop Floor 2
Frequently Asked Questions
Are you a manufacturer or a trading company?
We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, RJ11 connectors, and optical SFP modules.
Can I obtain a sample before placing a mass production order?
Yes, we can offer you samples to test the quality, though the shipping fee should be covered on your end.
What is the expected delivery time?
Products that are in stock are ready to ship immediately, while mass production orders generally require 15-30 days.
What kind of after-sales service and technical support do you offer?
We provide a standard warranty period alongside online technical support to assist you with any installation or configuration queries.
Do you accept custom OEM or ODM orders?
Yes, we accept both OEM and ODM orders. Please send us your detailed requirements to start a discussion.
What core advantages distinguish your products?
We have over 19 years of dedicated production experience in the network components industry, providing high-quality solutions designed to meet the strict standards of global enterprises.
Product Compliance Badges

Related Products