A cable splitter itself does not directly affect internet speed. Unlike active devices (which require power), splitters operate without electricity, relying solely on the physics of. A fiber broadband provider typically determines and overall split ratio for the network, such as 1x32 or 1x64, and uses combinations of splitters to meet that ratio with each PON port. This issue has been a topic of much debate and discussion in recent years, with the rise of streaming. The direct answer to whether this action reduces internet speed is yes, it typically does. Conversely, it can also combine multiple signals into one. Its primary role is in Passive Optical Networks (PON), which are the foundation of.