Unusual radio technologies

The fascinating world of radio communication is no longer reserved for professional engineers or licensed radio amateurs. Thanks to the HackRF One, an open-source software defined radio (SDR) device, anyone can start exploring the mysteries of the radio spectrum. This comprehensive guide is tailored to beginners, covering the basics of HackRF, software installation, signal reception,…

“I just mentioned I needed new shoes, and five minutes later an ad popped up on Facebook.” Sound familiar? In recent years, countless users have reported similar incidents, fueling a widespread suspicion: our phones are listening to us. But is it true? Are our smartphones really recording conversations through the microphone to feed ad algorithms?…