The Federal Communications Commission is proposing to ban foreign-made drones equipped with LiDAR and other features it classifies as "military-grade" from the U.S. market, according to Tom's Hardware.

The unusual part is that the proposal would be retroactive. It targets drones that the FCC has already approved for sale, meaning models sitting in stores today could be pulled. Tom's Hardware reports that several popular DJI models could be removed from U.S. retail as a result.

LiDAR — short for light detection and ranging — bounces laser pulses off surroundings to build a precise 3D map. It is the same basic technology used in self-driving cars and in newer iPhones, and on drones it powers obstacle avoidance and detailed terrain mapping. Labeling it "military-grade" is a significant reframing of hardware that has become fairly routine in consumer and commercial equipment.

The proposal's reach may extend beyond LiDAR. According to Tom's Hardware, it could also hit drones with thermal imaging cameras, as well as the coordinated swarms used to stage drone light shows — the choreographed aerial displays that have started replacing fireworks at stadiums and city celebrations.

For buyers, the practical question is what happens to gear already purchased and what alternatives exist at comparable prices. Drone pilots in industries like construction surveying, agriculture, film production, and public safety lean heavily on foreign-made hardware, and DJI in particular dominates the category.

This is a proposal, not a finished rule, and details on scope and timing beyond what Tom's Hardware describes are not yet clear.

It matters because a regulator drawing the line at "military-grade" around a sensor found in ordinary consumer electronics could reshape which drones Americans are allowed to buy — and set a precedent for how far security concerns can reach into commercial technology.