The 2 way HD Digital 1GHz High-Performance Coax Cable Splitter by Extreme is a good coax cable splitter and is one of the most affordable, popular and positively reviewed cable splitters, according to Amazon.com. It is considered by many to be the gold standard within its category.
This device is compatible with any cable provider that you may subscribe to and is rated 5-1002 MHz. Extreme's coax cable splitter is used by many cable companies and is commonly provided in many manufacturer's cable modem installation kits. This product allows the consumer to split an incoming digital cable signal between a cable box for television and a cable modem for Internet access.