For non-satellite radios, portable units plug into the car's audio system, as well as a home stereo. For older cars that do not have external audio jacks, some portable units output an FM signal ...

[John Grant] wants to be connected everywhere, even in regions where no mobile network is available, so he is building a solar powered, handheld satellite messenger: The MyComm – his entry for ...

Amateur radio operators like to say that working a contact in space can be done with a simple handheld transceiver ... If you want to reach a satellite in geosynchronous orbit it’ll take a ...