The Ciena NTK504CA is a compact, high-performance optical networking module designed for reliable data transport in dense wavelength-division multiplexing (DWDM) systems, making it an ideal choice for expanding capacity in existing network infrastructures.

The Ciena NTK503SA is a compact, high-performance optical transponder module designed for efficient wavelength conversion and signal regeneration in dense wavelength-division multiplexing (DWDM) networks, making it a reliable choice for expanding or upgrading used network infrastructure.

The Ciena NTK503PAE5 is a compact, high-performance optical networking module designed for scalable, carrier-grade transport solutions, offering reliable data transmission and seamless integration into existing Ciena platforms—ideal for cost-effective network expansion.