Fibronexa Fibronexa

Single Mode SFP 2.5G 1310nm 20km SMF Duplex LC Optical Transceiver Module

Product Description

Single Mode SFP 2.5G 1310nm 20km SMF Duplex LC Optical Transceiver Module

Our solutions 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.

Technical Specifications
Part No.LS-SM312G-20C
Form FactorSFP
Max Data Rate2.5Gbps
Wavelength1310nm
Max Cable Distance20km
ConnectorDuplex LC
MediaSMF
Transmitter TypeDFB
Receiver TypePIN
TX Power-5 ~ 0dBm
Receiver Sensitivity< -18dBm
Receiver Overload-3dBm
DDM/DOMSupported
ProtocolsMSA Compliant
Temperature Range0 to 70°C / -40 to 85°C
Warranty5 Years
Product Image
Full Range Of 2.5G SFP Support
Part Number Data Rate Wavelength Distance Media DDM
LS-MM852G-S3C2.5Gbps850nm300mMulti-modeYes
LS-MM852G-S5C2.5Gbps850nm550mMulti-modeYes
LS-SM312G-02C2.5Gbps1310nm2kmSingle ModeYes
LS-SM312G-10C2.5Gbps1310nm10kmSingle ModeYes
LS-SM312G-15C2.5Gbps1310nm15kmSingle ModeYes
LS-SM312G-20C2.5Gbps1310nm20kmSingle ModeYes
LS-SM552G-20C2.5Gbps1550nm20kmSingle ModeYes
LS-SM312G-40C2.5Gbps1310nm40kmSingle ModeYes
LS-SM552G-40C2.5Gbps1550nm40kmSingle ModeYes
LS-SM552G-80C2.5Gbps1550nm80kmSingle ModeYes
Optical Solutions
Optical Transport

Optical Transport Networks

End-to-end DWDM devices including active modules, amplifiers (EDFA & RFA), Mux/Demux, and OTDR.

Cloud

Cloud and Enterprise

High-speed optical modules ranging from 10G to 800G for mass data transmission in data centers.

Wireless

Wireless Solutions

High reliability products for 4G/5G systems, covering WDM, Dark Fiber, and Back-haul scenarios.

FTTx

FTTx Solutions

Total fiber access solutions covering all-optical and combined access architectures.

Quality & Production
Production 1
Production 2
Production 3
Equipment 1
Equipment 2
Certification 1
Certification 2
Certification 3
? Frequently Asked Questions
Are you a manufacturer or trading company?
We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, and SFP modules.
Can I obtain samples before placing a mass order?
Yes, we provide samples to test quality. Please note that shipping fees are generally covered by the customer.
What is the standard delivery time?
Items in stock are ready to ship immediately. For mass production, the lead time is typically between 15 to 30 days.
What kind of after-sales support do you provide?
We offer a one-year guarantee period and provide 24-hour online technical support to assist with any issues.
Do you accept OEM or ODM orders?
Yes, we accept customized OEM/ODM requirements. Please contact our team with your detailed specifications.
What are your primary advantages?
With over 19 years of production experience and high-level industrial partnerships, we ensure stable quality and advanced manufacturing standards.

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