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.

Supports 100GBASE-LR4 Ethernet transmission up to 10 km over single-mode fiber
103.1Gbps aggregate data rate using 4×25Gb/s lanes
LAN-WDM optical technology with cooled DFB lasers
Low power consumption ≤ 3.5W for energy-efficient operation
QSFP28 MSA compliant for compatibility with standard 100G ports
Digital Diagnostic Monitoring (DDM) via I²C interface
Operating case temperature 0°C to 70°C
Single +3.3V power supply
High optical performance with stable signal integrity
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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