Sounds like a great plan if you don't need a camera, positioning and magnetic compass. You also want your cage grounded or very thick, otherwise with sufficiently strong field it will become preemable.
I was thinking a ferrous shield would warp magnetic flux lines but I could be wrong. And guess you could mill the enclosure from brass, tho it's still not clear how would you get an RF ground up there.
It wouldn't, the only way to "shield" from magnetic fields is to get them to induce Eddy currents and but that requires more and more length and as the wavelength gets longer and essentially infinite for the Earth's field which is very slow moving.
> RF ground up there.
"ground" is relative and not at all required for a Faraday cage to work.
However that is still vulnerable to the microwaves. The issue is that this setup catches microwaves and while, yes, it prevents the waves from entering the electronics it does so by converting them to heat. So if this cage has caught 100J * volume (say 100W for slightly over 1.5 minutes), the electronics are above 100 degrees, and the solder joints are releasing.
The advantage of microwaves is that unlike lasers, kilowatt strong microwaves are easy to generate, it is an incredibly well studied problem, because that's how early radar systems worked. They are what secured the skies above London against the Nazi air force.
Israel seems to be trying another approach with lasers. They decided it doesn't matter if the laser is powerful, if you just have hundreds of 2W lasers aimed at the same target.
Basic yes, but drones are precision strike weapons by necessity: they can't carry enough payload to kill everything in a 50m radius for example. They depend on generally nailing a single target with cm-level precision.
And all that stuff is a new supply chain and more weight which isn't payload.
That a countermeasure can be built doesn't mean it's necessarily effective to do so - your drones get less cheap, less numerous, you have to incorporate such systems into tactical and strategic planning.
You're talking about a counterdrone system that's at technology demonstrator stage. I don't think they even have any contract or timeline for delivering production systems. Meanwhile tech used in the Ukraine war is adapting by the month.
"That a countermeasure can be built doesn't mean it's necessarily effective to do so" applies especially to reading a corporate press release about a system doesn't even have a timeline for being on the battlefield.
