100G QSFP28 CWDM4 Optical Transceiver 2KM SMF LC

The FiberMania 100G QSFP28 CWDM4 2KM LC Transceiver delivers 100Gbps high-speed connectivity over single-mode fiber up to 2km. With four 25Gbps lanes, duplex LC connectors, and real-time monitoring, it provides a compact, energy-efficient solution for short-reach data center, cloud, and telecom networks.

SKU 100G-QSFP28-CWDM4-2KM-LC Category
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The FiberMania 100G QSFP28 CWDM4 2KM Transceiver is a high-performance, compact optical module designed for short-reach 100GbE applications in data center interconnects (DCI), cloud networks, and telecom environments. Leveraging CWDM4 (Coarse Wavelength Division Multiplexing) technology, it delivers four parallel 25Gbps lanes over single-mode fiber, achieving an aggregate 100Gbps throughput across distances of up to 2 kilometers.

This hot-pluggable QSFP28 module comes with a duplex LC connector and integrated Digital Diagnostic Monitoring (DDM), enabling real-time tracking of optical power, temperature, and voltage. Its low power consumption, robust signal integrity, and compact footprint make it ideal for high-density network deployments that require cost-effective, high-speed connectivity.

Fully compliant with QSFP28 MSA, IEEE 802.3bm, and CWDM4 specifications, this module provides plug-and-play interoperability with major switch platforms, ensuring reliable performance in mission-critical optical networks.

Form FactorQSFP28
Data Rate100Gbps aggregate (25Gbps per channel)
WavelengthCWDM4 (4 lanes)
Transmission DistanceUp to 2km on OS2 SMF
Fiber TypeSingle-Mode Fiber (OS2)
ConnectorDuplex LC
Channels4 full-duplex
TransmitterCWDM4 DFB lasers
ReceiverCWDM4 PIN photodiodes
Diagnostic FunctionDigital Diagnostic Monitoring (DDM)
Power SupplySingle +3.3V
Power Consumption<3.5W
Electrical InterfaceCAUI-4
Operating Temperature0–70°C
ComplianceQSFP28 MSA | IEEE 802.3bm | RoHS
  • Hot-pluggable QSFP28 form factor

  • 4-channel CWDM4 optical transmitter and receiver

  • 25Gbps per channel, 100Gbps aggregate data rate

  • Duplex LC connector for single-mode fiber (OS2)

  • Digital Diagnostic Monitoring (DDM) for real-time monitoring

  • Transmission distance up to 2km

  • Low power consumption: <3.5W

  • High-speed electrical interface (CAUI-4)

  • Operating temperature: 0–70°C

  • RoHS compliant

  • 100G Ethernet data center interconnects (DCI)

  • Cloud and enterprise networking

  • Short-reach telecom networks

  • High-density optical aggregation links

  • Cost-effective 100G single-mode fiber deployments

FiberMania provides OEM, ODM, and private-label services for this CWDM4 transceiver, including custom labeling, wavelength selection, and performance testing, allowing enterprises and service providers to deploy modules tailored to their specific network requirements.

Q1: What is the maximum reach of this transceiver?
Up to 2 kilometers over standard OS2 single-mode fiber.

Q2: Which connector type does it use?
Duplex LC connector interface.

Q3: Does it support real-time monitoring?
Yes, integrated DDM tracks optical power, temperature, and voltage in real-time.

Q4: What standards does this module comply with?
QSFP28 MSA, IEEE 802.3bm, and CWDM4 optical specifications.

Q5: Can FiberMania provide OEM or private-label versions?
Yes, OEM, ODM, and private-label services are available, including wavelength customization and labeling.

Q6: What is the operating temperature range?
0°C to 70°C for standard commercial deployment.