The Ciena NTK761AA is a compact, high-performance optical transponder module designed for efficient 100G data transport, offering reliable scalability and seamless integration into existing Ciena networking systems—ideal for expanding or upgrading used network infrastructure.

The Ciena NTK723AA is a compact, high-performance optical networking module designed for scalable bandwidth and reliable data transport, making it a cost-effective choice for upgrading legacy infrastructure with used, carrier-grade hardware.

The Ciena NTK721AA is a compact, high-performance optical transponder module designed for efficient data transport in metro and long-haul networks, offering reliable scalability and seamless integration into existing infrastructure—ideal for cost-effective, used network hardware deployments.