GEZHI offers an exceptional solution for Hybrid Fiber-Coaxial (HFC) network applications with its advanced O-Band 200GHz Dense Wave Division Multiplexer (DWDM) 4CH. This cutting-edge DWDM module provides high performance and reliability, making it a preferred choice for various network infrastructures. Let's explore the key features, applications, and specifications that set this product apart.

The O-Band 200GHz DWDM Module features four channels with a common input port and a 1310 upgrade port for future expansion. With a wavelength range of 1260 to 1495nm, it offers multiple center wavelengths to cater to diverse network requirements. The module's advanced technology ensures low insertion loss and high stability, delivering optimal performance for demanding network applications.
The GEZHI O-Band 200GHz DWDM Module is designed to support high channel capacity, enabling efficient data transmission over the network. With a channel passband width of 0.4nm and adjacent channel isolation of 25dB, this module ensures that each channel operates independently without interfering with neighboring channels, leading to enhanced network reliability and performance.
This DWDM module finds extensive applications in various network scenarios, including:
Metro Networks: With the increasing demand for high-speed data in urban areas, the O-Band 200GHz DWDM Module facilitates seamless data transmission, ensuring efficient connectivity for metropolitan networks.
Long Haul Networks: For long-distance data transmission, this module's high stability and low insertion loss prove invaluable, contributing to the reliability and smooth operation of long haul networks.
Wavelength Routing: The ability to route specific wavelengths in dense WDM systems allows for efficient data distribution, enhancing network management and optimization.
Dense WDM Systems: In dense wavelength division multiplexing setups, this module serves as a key component to multiplex and demultiplex multiple wavelengths, optimizing network bandwidth utilization.

The GEZHI O-Band 200GHz DWDM Module complies with stringent specifications that guarantee its reliability and performance:
| Parameter | Values |
|---|---|
| Center Wavelength (nm) | 1325.782 (226.125 THz) 1327.249 (225.875 THz) 1329.220 (225.540 THz) 1330.459 (225.330 THz) 1310 Upgrade |
| Pass Channel Insertion Loss (dB) | ≤2.0 |
| Non-adjacent Channel Isolation (dB) | 40 |
| Polarization Mode Dispersion (ps) | 0.15 |
| Operating Temperature (℃) | -5 to +65 |
With a power handling capacity of 300mW and a wide operating temperature range from -5°C to +65°C, this DWDM module proves to be robust and reliable in various environmental conditions.
GEZHI's O-Band 200GHz DWDM 4CH Module boasts a robust design that ensures reliable network performance. With a directivity of 50dB and a return loss of ≤45dB, the module minimizes signal loss and maintains signal integrity, resulting in a stable and efficient network operation.
| Parameter | Values |
|---|---|
| Adjacent Channel Isolation (dB) | 25 |
| Power Handling (mW) | 300 |
| Storage Temperature (℃) | -40 to +85 |
GEZHI's O-Band 200GHz DWDM 4CH Module is designed with foresight, offering a 1310 upgrade port to facilitate future expansion. As network demands evolve, this upgrade port allows seamless integration of new wavelengths or services without the need for major infrastructure changes, making it a cost-effective and forward-looking solution.
Understanding the diverse needs of different network setups, GEZHI offers flexible packaging options for the O-Band 200GHz DWDM Module. The module is available in a single width LGX module or an ABS flat field module, allowing network administrators to choose the form factor that best fits their requirements and space constraints.
In conclusion, GEZHI's O-Band 200GHz DWDM 4CH Module is a high-performance and versatile solution that elevates network efficiency and reliability. Its advanced technology, high channel capacity, and robust design make it suitable for a wide range of applications in metro networks, long haul networks, wavelength routing, and dense WDM systems. With compliance to stringent specifications and a forward-looking 1310 upgrade port, this DWDM module ensures future-proofing and continued success in building and maintaining cutting-edge networks.