Before revision: Lower frequencies are usable for jamming communications, higher frequencies can be harnessed for their destructive effects on URL Vircators have been used as electromagnetic pulse generators and for generating X-rays.
After revision: Lower frequencies are usable for jamming communications, higher frequencies can be harnessed for their destructive effects on electronics.Portable E-Bomb to Be Tested - IEEE Spectrum Vircators have been used as electromagnetic pulse generators and for generating X-rays.