Hidden 18-24 kHz Ultrasonic Pest-Repeller & Occupancy-Sensor Locator

Deterministic 48 kHz Nyquist Upper-Guardband 17.5-23.8 kHz Narrowband Chirp & CW Detector engine (.wav, mic) built for Victor Pest, Bell+Howell, Steinware, Wattstopper — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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