A lot of massive capacitors, an enormous coil, and an insane amount of electricity. Such a weapon would almost certainly be the size of a semi and cost hundreds of thousands of dollars, only to destroy itself after being used once.
Doable with a lot of financing and connections, not so much otherwise.
Hmm (looks up ways to create an emp without requiring a nuke)
A lot of massive capacitors, an enormous coil, and an insane amount of electricity. Such a weapon would almost certainly be the size of a semi and cost hundreds of thousands of dollars, only to destroy itself after being used once.
Doable with a lot of financing and connections, not so much otherwise.