### Ciena NTK538UL – 100G OTR WL3E C-Band LR4 Multirate Circuit Pack
The **Ciena NTK538UL** is a high-capacity **100G Optical Transport Regenerator (OTR)** circuit pack designed for the **Ciena 6500** platform. Supporting the **WL3E coherent technology**, this module enables **long-reach (LR4)** multirate transmission in the **C-Band**, optimizing transport for dense and scalable optical networks.
This circuit pack is engineered for flexible deployment in metro, regional, and long-haul applications requiring efficient 100G optical transport with advanced signal conditioning and coherent reception.
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### ? Key Features:
- **Manufacturer**: Ciena (Formerly Nortel)
- **Part Number**: NTK538UL
- **Model**: 100G WL3E OTR LR4
- **Platform**: Ciena 6500
- **Function**: Optical Transport Regenerator (OTR)
- **Wavelength Band**: C-Band
- **Reach Type**: Long Reach (LR4)
- **Data Rate**: 100 Gbps
- **Technology**: WL3E Coherent Detection
- **Applications**:
- Metro and Long-Haul Optical Transport
- High-Capacity DWDM Networks
- Flexible and Scalable 100G Infrastructure
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### ? Technical Specifications:
- **Data Rate**: 100 Gigabit per second
- **Interface**: OCLD with EDFA (embedded)
- **Operating Band**: C-Band
- **Technology**: WaveLogic 3 Extreme (WL3E)
- **Reach Profile**: LR4 – Long Range
- **Form Factor**: Circuit Pack
- **Compatible Shelf**: Ciena 6500 family
- **Condition**: New or fully tested refurbished
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### ✅ Why Buy from Us?
✔ Genuine Ciena Product
✔ Fully Tested with Warranty
✔ Optical-Grade Performance for Carrier Networks
✔ Fast Worldwide Shipping
✔ Volume Pricing Available
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**Order the Ciena NTK538UL today** for a powerful and reliable 100G C-Band transport solution using WL3E coherent technology.