Product Overview
100GBASE-LR4 QSFP28 Optical Transceiver is a high-performance 100Gbps optical module designed for long-distance data transmission over single-mode fiber networks. It supports up to 10 km transmission distance and is widely used in data centers, enterprise backbone networks, telecom infrastructure, and high-speed Ethernet applications. This QSFP28 module operates with 4×25Gb/s lanes (103.1Gbps aggregate rate) using LAN-WDM technology and complies with IEEE 802.3ba 100GBASE-LR4 standards. With low power consumption, reliable optical performance, and digital diagnostic monitoring (DDM), it provides stable and efficient connectivity for modern high-bandwidth network environments.
Key Features
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Supports 100GBASE-LR4 Ethernet transmission up to 10 km over single-mode fiber
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103.1Gbps aggregate data rate using 4×25Gb/s lanes
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LAN-WDM optical technology with cooled DFB lasers
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Low power consumption ≤ 3.5W for energy-efficient operation
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QSFP28 MSA compliant for compatibility with standard 100G ports
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Digital Diagnostic Monitoring (DDM) via I²C interface
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Operating case temperature 0°C to 70°C
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Single +3.3V power supply
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High optical performance with stable signal integrity
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Fully compliant with IEEE 802.3ba, IEEE 802.3bm, and SFF-8636
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | QSFP28 100G LR4 1310nm |
| Form Factor | QSFP28 |
| Standard | IEEE 802.3ba 100GBASE-LR4 IEEE 802.3bm CAUI-4 QSFP28 MSA SFF-8636 |
| Data Rate | 103.125 Gbps aggregate |
| Lane Data Rate | 25.78125 Gbps per lane |
| Transmission Distance | Up to 10 km |
| Fiber Type | Single Mode Fiber (SMF) |
| Center Wavelength | 1296.59 nm 1301.09 nm 1305.63 nm 1310.19 nm |
| Power Supply | +3.3 V |
| Power Consumption | ≤ 3.5 W |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Operating Humidity | 5% – 85% |
| Average Launch Power per Lane | -4.3 to 4.5 dBm |
| Receiver Sensitivity | -8.6 dBm |
| Optical Connector | LC Duplex |
| Digital Diagnostics | Temperature Voltage Tx Power Rx Power Bias Current |
| Compliance | FCC Part 15 Class B RoHS-6 |
Why Choose Sangken Technologies
At Sangken Technologies, we provide reliable and high-performance fiber optic networking equipment for telecom engineers, ISPs, and data center operators. Our optical transceiver modules are carefully sourced and tested to ensure stable transmission, compatibility with major networking devices, and long service life. With strong technical expertise and responsive support, Sangken Technologies ensures customers receive trusted networking solutions, competitive pricing, and dependable after-sales service.
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