Single Mode 3.125G SFP 1310nm 20km DDM SMF LC Optic Transceiver Module
| Vendor Name | Professional Manufacturer |
| 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 Supported | Yes |
| DDM/DOM | Supported |
| Protocols | MSA Compliant |
| Temperature Range | 0 to 70°C / -40 to 85°C |
| Warranty | 5 Years |
VIEW OUR SOLUTIONS
Drawing on over 10 years of experience in chips and modules, we 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.
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 |
Application Scenarios
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Optical Transport Networks: Providing end-to-end DWDM devices including active modules, optical amplifiers (EDFA & RFA), Mux & Demux, OPM, ROADM, and more.
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Cloud and Enterprise: High-speed optical modules ranging from 10G to 800G, specifically developed for high-quality interconnection in modern data centers.
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Wireless: High reliability products for 4G/5G systems, covering Dark Fiber, WDM, Radio over Fiber, and Back-haul scenarios.
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FTTx: Total optical fiber access solutions including all-optical or combined copper access products.
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Manufacturing Excellence
We are a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROSH, REACH, CE and UL. With advanced manufacturing and testing equipment, we provide a complete series of optical interconnect solutions for cloud computing and ultra-broadband networks globally.
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, and SFP modules.
Can I get a sample before mass production?
Yes, we can offer free samples to test quality, though shipping fees are typically covered by the customer.
What is your typical delivery time?
Items in stock are ready to ship immediately; mass production generally takes 15-30 days.
What after-sales service do you provide?
We offer a one-year guarantee and 24-hour online technical support.
Do you accept OEM/ODM orders?
Yes, we welcome OEM and ODM inquiries for detailed discussion and customization.
What are your core advantages?
With over 19 years of production experience, we have established long-term partnerships with major global technology leaders.
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