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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
Part Number 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. A full series of optical modules is provided for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.
Transceiver Module Solution
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
Optic Transceiver Overview SFP Modules Category
Network & Application Scenarios
Optical Transport Networks

Optical Transport Networks

We provide end-to-end DWDM systems with a wide selection of optical devices — ranging from active modules to optical passive components. This includes optical amplifiers (EDFA & RFA), Mux & Demux, OPM, ROADM, MCS, OLP, and OTDR devices.

Cloud and Enterprise

Cloud and Enterprise

To support massive data transmission demands in modern data centers, we have developed a line of high-speed optical modules with data rates spanning from 10G up to 800G. These solutions provide high-quality optical interconnections tailored for enterprise and cloud data centers.

Wireless Networks

Wireless

We provide high-reliability, high-performance products built on mature and efficient lasers and mainstream chip solutions. Our wireless solutions cover Dark Fiber, WDM, Radio over Fiber, High Speed, Mid-haul, and Back-haul links, meeting the diverse demands of 4G/5G systems globally.

FTTx Solutions

FTTx

Designed for global communication network builders, we offer FTTx optical fiber access total solutions, including all-optical or combined optical-copper access products designed to support robust infrastructure deployments.

Subsystems

Subsystems

To maintain seamless operation of optical lines, we offer reliable optical cable operations & maintenance (O&M) solutions. These services integrate optical line protection systems (OLP) with optical line monitoring systems (OLM).

Related Products SFP Cage
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Why Choose Us
Advanced Testing Quality Management Global Supply Chain Reliability Labs
Company Profile

We are a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROHS, REACH, CE, and UL. Our facilities are equipped with advanced production and testing apparatus. Since our establishment in 1997, our workforce has grown to approximately 2,000 employees. Backed by a monthly production capacity of 3,000K, we ensure fast turnaround times. Additionally, we provide comprehensive optical modules for fixed access, wireless access, carrier Ethernet, WDM, and data center communications. Our product portfolio also covers high-speed optical interconnect solutions optimized for cloud computing and ultra-broadband networks. Using state-of-the-art optoelectronic technologies, we design, manufacture, and distribute our products to clients worldwide.

Frequently Asked Questions
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 modules.
Can I get a sample before mass production?
Yes, we can provide free samples for quality evaluation, with shipping costs covered by the customer.
What is your delivery time?
In-stock products are ready to ship immediately. For mass production orders, standard lead times run between 15 to 30 days.
What after-sales service do you provide?
We offer a one-year warranty alongside 24/7 online technical support to assist you with integration and troubleshooting.
Can you accept OEM/ODM orders?
Yes, we support customizable options. Please send us your specific parameters or request documents to initiate a detailed discussion.
What are your core advantages?
We bring over 19 years of manufacturing expertise, delivering premium components and maintaining long-standing relationships with leading global enterprises.
Manufacturing Excellence

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