Answers:
In nonspecific a router allows you to split your broadband (cable or dsl) nouns to multiple computers. It creates a net that allows you to share the Internet and files near other computers on the make friends.
A modem signal booster is merely that. It amplifies the signal coming through your phone/cable row to enhance your nouns point. Phone/cable companies use amplifiers between service stations to convey stronger signals over longer distances.
Any wireless n