The GPON (Gigabit Passive Optical Network) system is a cutting-edge single-fiber bidirectional system designed to optimize data transmission. It employs two distinct wavelengths for upstream and downstream data transfer, ensuring efficient and high-speed connectivity. In the upstream direction, the system operates at a wavelength of 1310 nm in Time Division Multiple Access (TDMA) mode, while in the downstream direction, it uses a 1490 nm wavelength in broadcast mode. The system is capable of impressive data rates, supporting a maximum downstream speed of 2.488 Gbit/s at the GPON physical layer, providing ultra-fast data delivery to end-users. The maximum upstream speed reaches 1.244 Gbit/s, making it suitable for applications that demand high-bandwidth, such as video streaming, gaming, and large file transfers. This high-speed performance allows users to experience reliable, consistent, and seamless internet connectivity. The GPON system is widely used in commercial environments, where high-capacity data transmission is essential to support multiple users and devices simultaneously. It is designed to be efficient and scalable, providing a stable and robust connection for both residential and business applications. The system's bidirectional nature ensures that data can flow efficiently in both directions, enhancing overall network performance. In summary, the GPON system is a high-performance solution for delivering fiber-optic internet services, offering high downstream and upstream speeds that meet the demands of modern internet usage. It is ideal for fiber optic routers and other high-speed data solutions, ensuring optimal performance for home and commercial networks. Keywords: router, 5g router, router machine, 5g wifi router, router wifi, wifi 6 router, wireless router, fiber router, wireless wifi router, 4g router, best home router, best wifi router, fiber optic router, hub switch router, portable wifi router, wifi router extender, mini wifi router, modem router.