Hacker News with Generative AI: Radio Frequency

Beyond BLE: Cracking Open the Black-Box of RF Microcontrollers [video] (media.ccc.de)
Despite the recent popularity and breadth of offerings of low-cost RF microcontrollers, there is a shared absence of documentation for the internal workings of their RF hardware.
An adjustable filter that can prevent interference in the range 600 MHz to 6 GHz (seas.upenn.edu)