Get ready for scan-and-frisk.

The NYPD will soon deploy new technology allowing police to detect guns carried by criminals without using the typical pat-down procedure, Police Commissioner Raymond Kelly said Wednesday.

The department just received a machine that reads terahertz — the natural energy emitted by people and inanimate objects — and allows police to view concealed weapons from a distance.

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“If something is obstructing the flow of that radiation, for example a weapon, the device will highlight that object,” Kelly said.