The frequency adjustment can effectively reduce the impact caused by the interference sound of other machines at the rescue site. The audio waves and vibration waves produced by the trapped people moaning, shouting, crawling, knocking, and engraving are searched and used to achieve rapid positioning.
Adjustable high-frequency, intermediate frequency, and low-frequency filters (non-listening sounds such as breaking the disassembly tools, vehicles, wind, high-pressure cables, etc.). Equipped with 4 wireless intercom sound micro-shock probes (quantity can be extended to 10). Filtering function: High-frequency filtering, intermediate frequency and low-frequency filter settings ≥ 15.
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