Product Overview
The F-tone 100G CWDM4 QSFP28 transceiver is designed for cost-effective wavelength division multiplexing applications up to 2km over single-mode fiber. This innovative module supports 100 Gigabit Ethernet using 4x25G NRZ technology with Coarse Wavelength Division Multiplexing and is compliant with the QSFP28 MSA specification.
Key Features
- Data Rate: 100 Gbps (4x25G)
- Wavelength: 1271/1291/1311/1331nm (CWDM4)
- Distance: Up to 2km (SMF)
- Connector: LC Duplex
- Power Consumption: < 3.8W
- Operating Temperature: 0°C to 70°C
- Certifications: ROHS, CE
Technical Specifications
| Form Factor | QSFP28 |
| Data Rate | 100 Gbps (4x25G) |
| Wavelength | 1271/1291/1311/1331nm (CWDM4) |
| Distance | 2km (SMF) |
| Fiber Type | Single-mode |
| Connector | LC Duplex |
| Power Consumption | < 3.8W |
| Operating Temperature | 0°C to 70°C |
| Compliance | IEEE 802.3bm, SFF-8665, CWDM4 MSA |
Applications
- Data Center Interconnects
- Metro Access Networks
- Enterprise Core Networks
- Cloud Infrastructure
Quality Assurance
All F-tone transceivers undergo rigorous testing including:
- Optical performance verification
- Thermal cycling tests
- Compatibility validation with major switch vendors
- Long-term reliability testing
Warranty
F-tone provides a comprehensive 3-year warranty on all optical transceiver modules.
Model Number: FT-100G-CWDM4
S/N: FT20260207998901

