[header] How to wire cable tv [title] Decide if you want to install a modem in your cable tv system. [step] A modem provides internet service through your cable system. [title] Choose an in-line amplifier. 
[step] In-line amplifiers are available at electronic stores. Use an in-line amplifier if your splitter has more than 2 outlets or if you intend to expand the cable wiring in the future.