How to select the best cell phone antennas for home?

i too faced a similar problem with my cell phone whenever i used to go to any basement or when i am in the manhatten for some work. you however could purchase one of both a mobile antenna and a building antenna. a mobile antenna could either be carried within your car or you can get one that could be carried while you are on the move. building antenna are fixed ones for your home and are capable of providing unbridled network . wilsonelectronics is one stop for a whole range of cell phone antennas. one such item is Wilson Electronics 801212 cell phone antennas Kit for Vehicle with Low Profile Antenna and for Multiple Users .Greatly extends cellular signal range for both voice and data,Allows multiple phones and data cards to be used simultaneously,Supports CDMA, TDMA, GSM & AMPS,plus 3G data protocols such as HSDPA, EVDO & EDGE,Up to 3-watts maximum output of power, Plug-and-play kit is in the box!, Allows Multiple Phones & Data Cards to Be Used Simultaneously,Power Control Logic Ensures Maximum Output of Power which Is Within Ce. This product is available at around $234 at amazon with many other alternatives.