Which is what caused me to think of EMP. The antenna can be coiled up inside the case.
(, Tue 7 Jun 2022, 21:31, Reply)
If it is, as I suspect, the guts of a cheap microwave oven connected to a powerful battery, you'd definitely want something to point the carcinogenic radiation away from the operator. A mirrored/steel funnel, Pringles tube, or something.
(, Wed 8 Jun 2022, 14:40, Reply)