A novel side-channel attack dubbed “RAMBO” (Radiation of Air-gapped Memory Bus for Offense) generates electromagnetic radiation from a device’s RAM to send data from air-gapped computers. […]
Fast transmissions are limited to a maximum range of 300 cm (10 ft), with the bit error rate being 2-4%. Medium-speed transmissions increase the distance to 450 cm (15 ft) for the same error rate. Finally, slow transmissions with nearly zero error rates can work reliably over distances of up to 7 meters (23 ft).
Fast = 1000bps, medium = 500bps, slow = 100bps
Don’t know if I’d classify this attack vector as “new”. [Variations on this have been known for over 70 years. ](https://en.wikipedia.org/wiki/Tempest_(codename)#:~:text=TEMPEST (Telecommunications Electronics Materials Protected,signals%2C sounds%2C and vibrations)