Yes, it is possible to split a coaxial cable to connect both internet and TV services, but it may result in signal loss or degraded quality. These splitters are commonly used for distributing cable TV signals to multiple televisions in. How to use a cable splitter for TV and Internet? In the modern digital landscape, maintaining a stable and high-performance connection for both television and internet access is paramount. This can increase connectivity and convenience. A splitter is designed to attach several cables together in order to provide multiple outlets for one.