I keep dropping my internet signal and need a new splitter but do not know what kind to get?

i have my internet source going through a 4 way splitter which then goes to various tvs in the house, the splitter says 5-1000 mhz and is 7.4 db on all the ports,,,, i need to buy something more powerful so the signal does not drop, can someone go to this link http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&IsNodeId=1&Description=splitter%204%20way&bop=And&Order=REVIEWS&PageSize=20 or perhaps show me one of their own that is much more powerful and will not drop signal, thanks