hfsdr
2026-08
Deployed
Electronics
Hardware
Badge
PCB
SDR hardware badge brought from Singapore to DEFCON 34 (Aug 2026) as a mini solder kit. Attendees solder on the SMA connector at DEFCON.
Receives RF from 0 to 300 MHz, with 192 kHz I/Q output over USB and a web UI for configuration. On-board FM demodulation so you can listen on the badge itself (AM/SSB experimental). The screen shows a waterfall and FFT, with hand-drawn radio artwork and FFT and volume animations. Built-in LiPo charger. The kit is the badge PCB, an SMA connector and antenna, an encoder and screen, and SMD LEDs and resistors. 35+ units sold at DEFCON 34.
Links
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