High-Power Microwave (HPM)
A high-power microwave (HPM) weapon is a type of directed energy weapon that sends an intense burst of radio frequency energy at a target. The energy couples into wiring and circuits and overloads them, which can stop a drone, a vehicle or a radio without physically destroying it.
Unlike a laser, a microwave beam spreads out, so one burst can affect many targets in its path. That makes HPM systems a leading answer to drone swarms. The effect is local and aimed, which separates it from an EMP, where a single event can affect electronics across a wide region.
Preppers meet the term in news about drone defense and in reading about real EMP events from history. The same basic protection, keeping spare electronics inside a Faraday container, helps against both. It is one part of how you protect your family from an EMP.
