inputs.text: best pc usb receiver market - bought replace increasingly flaky bu353 pretty much industry standard receiver carpc sensitivity great new receiver old bu353 required line sight sky mounted top dash new gm2 actually mounted dash still gets great signal signal strength comparable older bu353 mounted top dash warm fixes super quick hot fixes nigh instantaneous still using receiver old software cannot comment 5hz update speed easy enough set receiver 1hz cannot wait get hands new gps software able use 5hz polling