Single Mode 3.125G SFP 1310nm 20km DDM SMF LC Optic Transceiver Module

Product Description

Single Mode 3.125G SFP 1310nm 20km DDM SMF LC Optic Transceiver Module
📜 Technical Specifications
Parameter Specification
Part No. LS-SM313G-20C
Form Factor SFP
Max Data Rate 3.125Gbps
Wavelength 1310nm
Max Cable Distance 20km
Connector Duplex LC
Media SMF
Transmitter Type DFB
Receiver Type PIN
TX Power -6 ~ 0dBm
Receiver Sensitivity < -18dBm
Receiver Overload -1dBm
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 Solutions
📦 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
Product Options Matrix
SFP Modules Category
🌐 Applications and Scenarios
Optical Transport Networks
Optical Transport Networks

We can provide end-to-end DWDM device with almost all optical devices - from active modules to optical passive devices, including optical amplifier (EDFA & RFA), Mux & Demux, OPM, ROADM, MCS, OLP and OTDR etc.

Cloud and Enterprise
Cloud and Enterprise

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

Wireless Networks
Wireless

We provide high reliability and performance products with mature and efficient lasers and mainstream chip solutions to our customers all around the world. The solution includes Dark Fiber, WDM, Radio over Fiber, High Speed, Mid-haul and Back-haul which could meet all the needs of various scenarios in 4G/5G systems.

FTTx Optical Fiber Access
FTTx

Aimed at global communication network constructors, we provide FTTx optical fiber access total solutions covering from all-optical or optical copper combined access solutions and products.

Subsystems Solutions
Subsystems

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

📌 Related Products SFP Cage
SFP Cage Accessories
⭐ Why Choose Us
Production Excellence Quality Management Advanced Equipment R&D Capabilities
🏭 Manufacturing Profile

We are a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROHS, REACH, CE and UL, with advanced manufacturing equipment and testing equipment imported from abroad. Established in 1997, we currently have about 2000 employees. With the abundant production capacity of 3000K per month, we are able to deliver products within a short time.

In addition, we can provide a complete series of optical modules for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks. The range also includes high-speed optical interconnect solutions for cloud computing and ultra-broadband networks. Using the latest optoelectronic technologies, we design, manufacture and sell products worldwide.

Factory Overview Testing Lab
❓ FAQ
Are you a factory or trading company?
We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, RJ11 connectors, and SFP modules.
Can I get a sample before mass production?
Yes, we can offer you free samples to test the quality, but shipping costs must be covered by the client.
What is your delivery time?
Ready-to-ship stock items are dispatched immediately, while mass production takes approximately 15-30 days.
What after-service can you offer?
We provide a one-year warranty period and 24-hour online technical support.
Can you accept OEM/ODM orders?
Yes, please contact us with your specifications so that we can have a detailed discussion.
What is your advantage?
We have over 19 years of professional production experience and have partnered with leading global network companies for many years.
Global Supply Chain

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