inputs.text: smallest sirfstariii buy - flawless bluetooth gps receiver best gps chip available today sirf star iii lowpower version small light usb pendrive good battery life 8 hours car wall charger box good bluetooth reception fairly cheap get else could ask not mind size weight consider bigger brother gpslim 236 exactly 236 bigger heavier lasts bit longer data cable external gps antenna connections went 240 portability best choice nokia n73 tom tom navigator 6