Answer by  
                                                                                          PowerIsMe (844)
                                                            
                          
                          
                                                          Yes, you do. The wi-fi router is what transmits the signals that your computer can receive and vice-versa. There are many standards - 802. 11 a, b g and n with n being the latest. You may want to get one that supports 802. 11n for the best possible bandwidth/speed.