TA1EEI/ClassD-VHF-Transmitter

Experimental Android app transmitting VHF OOK/Morse signals via smartphone Class-D audio amplifier PWM harmonics (TEMPEST PoC).

1 best points · 0 comments · 1 Hacker News post · 7 GitHub stars · View on GitHub

Hacker News discussions

• Show HN: ClassD-VHF-Transmitter – Covert RF Transmission via Phone Speaker PWM (1 points, 0 comments, by TA1EEI, 2026-09-22)