Optical modules serve as the "translators" of fiber-optic networks, enabling seamless electrical-to-optical (E/O) and optical-to-electrical (O/E) conversion. With advancements in PAM4, DSP, and silicon photonics, they are driving the evolution of 5G, cloud computing, and AI. An optical module is a typically hot-pluggable optical transceiver used in high-bandwidth data communications applications. The optical module is usually composed of Transmitter Optical Subassembly (TOSA. As an essential component of optical fiber communication, optical modules are optoelectronic devices that facilitate the conversion between optical and electrical signals during the transmission process. Operating at the physical layer of the OSI model, optical modules are core devices in optical. This document focuses on projection optical modules that incorporate Texas Instruments' DLP Display chips and are designed to project an image onto a surface for a variety of applications, including smartphones, tablets, display projectors, smart home displays, digital signage, AR glasses, and. After more than 20 years development, the SFP (small pluggable) package has been shining brilliantly and won the favor of the market. 10G mainstream packaging is SFP+, the evolution of SFP, XFP only accounts for a small share.