IMAGINE AN INFINITELY flexible radio. Simply by loading in various free programs, you could turn the device into a multistandard mobile phone, a GPS locator, an AM-FM stereo receiver or even a ...

Matt Ettus has the sly smile of someone who sees the invisible. His hands fly over the boards of his Universal Software Radio Peripheral, or USRP, snapping them together with an antenna like Lego ...

Most keyfobs out there that open cars, garage doors, and gates use a rolling code for security. This works by transmitting a different key every time you press the button. If the keys line up, the ...

Meshtastic is a way to build mesh networks using LoRa that is independent of cell towers, hot spots or traditional repeaters. It stands to reason that with an SDR and GNU Radio, you could send and ...