Serial Port for Remote Desktop is a software that allows the redirection of local serial devices in remote desktop sessions. It consists of a workstation and a server, supports Windows and Linux systems, and is compatible with multiple protocols such as RDP, Citrix ICA, and VMware Blast. This software creates a virtual serial port, allowing remote applications to access these devices like using a local serial port. It supports automatic redirection and dual hop sessions, ensuring data security and improving operational convenience.