As you can know from the naming, Gigabit Optical Module is an optical module with a transmission rate of 1000Mbps, which is usually denoted by FE. There are no specific requirements for this document. This document is not restricted to specific software and hardware versions. In addition to the difference in the. In today's connected world, Gigabit Passive Optical Network (GPON) technology is revolutionizing how we access the internet, offering blazing-fast speeds and reliability. At the same time, the Gigabit optical module supports multiple optical interface. What is FTTH? FTTx (fiber to the x) is a collective term that is used to describe various types of broadband network architectures. It could be a home, a cabinet, or any end-user premise. As a result, there is Fiber to the Home (FTTH), Fiber to the Building.