The Cisco QSFP-40/100-SRBD is a refurbished transceiver module designed for data center and enterprise network environments requiring high-speed connectivity. This module supports both 100GBASE-SR-BiDi and 40GBASE-SR-BiDi applications, providing flexibility for network upgrades or expansions. It utilizes an LC connector and is specified for distances up to 100 meters over OM4 multi-mode fiber. As a Cisco Certified refurbished item, it offers an alternative for organizations managing IT budgets while maintaining Cisco compatibility.