Single Mode SFP 2.5G 1310nm 40km SMF Dual LC Optic Transceiver Module

Product Description

Single Mode SFP 2.5G 1310nm 40km SMF Dual LC Optic Transceiver Module

High-performance optical interconnect solutions for modern fiber networks.

Technical Specifications
Part Number LS-SM312G-40C
Form Factor SFP
Max Data Rate 2.5Gbps
Wavelength 1310nm
Max Cable Distance 40km
Connector Duplex LC
Media SMF
Transmitter Type DFB
Receiver Type PIN
TX Power -2 ~ 3dBm
Receiver Sensitivity < -27dBm
Receiver Overload -3dBm
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.

Solutions Overview
Support Full Range Of 2.5G SFP
Part Number Data Rate Wavelength Distance Media DDM
LS-MM852G-S3C 2.5Gbps 850nm 300m Multi-mode Yes
LS-MM852G-S5C 2.5Gbps 850nm 550m Multi-mode Yes
LS-SM312G-02C 2.5Gbps 1310nm 2km Single Mode Yes
LS-SM312G-10C 2.5Gbps 1310nm 10km Single Mode Yes
LS-SM312G-15C 2.5Gbps 1310nm 15km Single Mode Yes
LS-SM312G-20C 2.5Gbps 1310nm 20km Single Mode Yes
LS-SM552G-20C 2.5Gbps 1550nm 20km Single Mode Yes
LS-SM312G-40C 2.5Gbps 1310nm 40km Single Mode Yes
LS-SM552G-40C 2.5Gbps 1550nm 40km Single Mode Yes
LS-SM552G-80C 2.5Gbps 1550nm 80km Single Mode Yes
Production Interface
Product Range Grid
Applications & Subsystems
Optical Transport Networks
Optical Transport Networks

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

Cloud and Enterprise
Cloud and Enterprise

To meet the demands of massive data transmission in modern data centers, we have developed a high-speed optical module product series ranging from 10G to 800G, delivering reliable interconnect solutions.

Wireless Networks
Wireless

High-reliability and high-performance solutions designed with mature, efficient lasers and mainstream chip solutions. Features support for Dark Fiber, WDM, Radio over Fiber, High Speed, Mid-haul, and Back-haul architectures for 4G/5G systems.

FTTx Solutions
FTTx

Designed for global communication network architectures, we offer comprehensive FTTx optical fiber access total solutions, covering both all-optical and combined copper/fiber access installations.

Subsystems Integration
Subsystems

To ensure the uninterrupted operation of transmission lines, we offer line-protection solutions integrating advanced Optical Line Protection (OLP) and Optical Line Monitoring (OLM) systems.

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Why Choose Us
Frequently Asked Questions
Q Are you a factory or a trading company?

We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, RJ11 connectors, and SFP transceiver modules.

Q Can I obtain a sample before mass production?

Yes, we can provide samples to test and verify quality. Please contact our support team for sample request procedures.

Q What is the typical delivery timeframe?

In-stock products are ready to ship immediately. For mass production orders, the standard lead time is approximately 15 to 30 days depending on raw material availability.

Q What warranty and after-sales support do you provide?

We offer a 5-year warranty on our transceiver modules and provide online technical assistance to answer application queries.

Q Do you accept OEM and ODM orders?

Yes, we support both OEM and ODM custom setups. Send us your design criteria, and we can discuss layout requirements in detail.

Q What is your key manufacturing advantage?

With near two decades of dedicated manufacturing experience, ISO9001 certified production lines, and testing equipment, we ensure top-tier product reliability and performance compliance.

Production Quality Standards

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