The Cisco ONS-CFP2-WDM-1KL is a high-speed switch module designed for enterprise networking. With a maximum data rate of 100 Gbps, it uses QPSK and 16-QAM-WDM technology for efficient data transmission. The CFP2 pluggable connector allows for easy installation and compatibility with other Cisco products. This module is a single unit with one port and optical LC network ports, making it a reliable choice for high-bandwidth applications. Made in China, this product is part of the Cisco Enterprise product line.