No all it takes is a wifi router and just make it unsecured so that anyone around you can log on without having the need of a user name or password.

Yeh you can say its an open cyber cafe without any charges but there are not tables or chairs you just run into one while travelling and just park your car and do your work inside the car or may be if there is a coffee shop very close to the place try popping in and see if the network shows up inside.. and bingo you use the net for free