1.25G-SFP-SSF2040

1.25G SFP Optical Transceiver Module Series, Single-Mode Single-Fiber, 20KM – 40KM, Dual-Wavelength, DDM, SC Connector

High-Performance & Dependable Ethernet Equipment for modern IoT & connectivity

High-Speed Mid-Range Transmission: 1.25G SFP transceiver delivers 1.25Gbps data speed, supporting 20-40KM mid-range communication with dual wavelengths for stable signal.
Single-Mode Single-Fiber Design: Single-mode single-fiber technology optimizes transmission efficiency, reducing fiber deployment costs for mid-distance networks.
DDM Smart Monitoring: Integrated DDM function provides real-time operating parameter insights, enabling timely network maintenance and troubleshooting.
SC Connector & Easy Deployment: Standard SC connector ensures broad compatibility; compact SFP form factor allows hassle-free installation and network expansion.

Order & Quote

SKU: 1.25G-SFP-SSF2040Categories: ,
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  • Worldwide delivery is available with free shipping
  • 3-Year Warranty | 30-Day Returns | 30-Day Exchange
  • Quality certifications, get detail Compliance Center

Quality Certifications

Stable Optical Transmission for Everyday Networks

LevinLink low-speed optical transceivers deliver consistent and stable data transmission for everyday enterprise and campus networks. With speeds ranging from 10M to 2.5G, these modules ensure reliable communication over multimode or single-mode fibers. They are ideal for LAN connections, CCTV systems, and industrial automation environments where stability matters most.

Plug-and-Play Compatibility Across Devices

Designed with universal SFP and 1×9 form factors, these modules are compatible with most mainstream network equipment, including switches, routers, and media converters. They support seamless integration and fast deployment without complex configuration.

Energy-Efficient and Reliable Performance

LevinLink optical transceivers are built for low power consumption and long-term reliability. Advanced optical components and strict quality control ensure steady performance under continuous operation. This makes them a dependable choice for 24/7 network environments.

Flexible Options for Multiple Applications

Available in a variety of wavelengths, distances, and connector types, LevinLink low-speed modules meet diverse network requirements. From short-distance office links to medium-range industrial setups, they offer flexible configurations that simplify network upgrades and expansions.

Order Guide

Specifications Model Wavelength (TX/RX) Transmission Distance Connector Laser Type Commercial Temp Industrial Temp Add To Quote
TV-A-20KM-SC SHFP-GE-B20-35-SC 1310nm/1550nm 20KM SC FP/DFB 0°C to +70°C -40°C to +85°C

TV-B-20KM-SC SHFP-GE-B20-53-SC 1550nm/1310nm 20KM SC FP/DFB 0°C to +70°C -40°C to +85°C

TV-A-40KM-SC SHFP-GE-B40-35-SC 1310nm/1550nm 40KM SC DFB 0°C to +70°C -40°C to +85°C

TV-B-40KM-SC SHFP-GE-B40-53-SC 1550nm/1310nm 40KM SC DFB 0°C to +70°C -40°C to +85°C

Additional Information

Customize & Inquiry

We offer customized IoT Ethernet devices and quotes based on your order quantity. For customization or purchase needs, please send your requirements to us.

Product Datasheet

We provide the data sheet for our IoT Ethernet devices (including specs and protocol support) to help you check project compatibility. Add to cart for instant access.

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Customer Testimonials

We ordered several optical transceivers for our data center upgrade. The modules arrived quickly, worked flawlessly, and integration was smooth. The support team was responsive and helpful throughout the process. Highly recommended

Sarah Johnson, CoreLink Data Systems
“I purchased networking equipment from this company and was impressed by the fast delivery and solid packaging. The switch works perfectly, installation was simple, and performance is stable. Great experience overall, I will definitely buy again.”
John Miller, BrightWave Networks

We needed customized DAC cables for our project, and this company delivered exactly what we asked for. The cables fit perfectly, signal transmission is stable, and the delivery was on time. Great service and reliable products

Maria Lopez, Innovatech Labs

Excellent quality switches at a fair price. The build feels solid, and the performance has been consistent even under heavy network traffic. This supplier has become our go-to partner for networking gear

David Chen, NexaTech Solutions

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All our products are sourced directly from official channels, offering you genuine items of the highest quality.

Global Standards

Designed and tested to meet global industry standards, ensuring compatibility and reliability in enterprise environments

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Provide a safe and reliable shopping experience with secure payment options and transparent order tracking, giving you peace of mind from checkout to delivery

Sustainable Choice

Our commitment goes beyond technology. We support sustainable practices in packaging and logistics to reduce environmental impact