Wavelens

Works anywhere in the world · follow your local laws

What it finds ยท Likely

Acoustic sensors

Gunshot detection and noise monitoring arrays on poles and rooftops.

What it is

A fixed microphone array that listens for impulsive sounds, usually gunshots, or for noise levels, and reports events to an operator with a position estimate.

Who uses it

Cities and public-safety agencies for gunshot detection; municipalities, venues and construction sites for noise monitoring.

What it can see

Loud, sudden sounds and their rough direction; noise levels over time. Audio snippets around an event may be kept for review.

What it can't do

Generally not designed to capture or transcribe conversation; typical placement is high on poles and rooftops. It does not interact with your phone.

How Wavelens finds it

Wi-Fi SSID/BSSID vendor prefixes and BLE advertisement signatures that match public signature data for known sensor hardware.

What to do when you see one

Nothing is required. Treat the classification as a pointer, not proof: look at the matched rule on the card.

Phone or companion?

The phone alone hears these over Bluetooth and Wi-Fi. A Spotter companion ($64) hears them further away.

Get alerted to this while you drive

Wavelens listens for acoustic sensors in the background, phone on the dash, and says so out loud when one is in range. Everyone who joins the Android beta before the Play Store launch gets the Play version free with a promo code. Offline, no account, no network permission.

Join the free Android beta Hear it a block further: Spotter, $64

Confirmed only when the device describes itself ยท 282 signatures ยท nothing leaves the phone

Classification is a best-effort guess from public signature data. Check before you act on it. None of this is a claim about who owns a device, why it is there, or whether it is lawful.

Where this comes from

  • Independent public research into fixed-camera radio signatures
  • IEEE OUI / MA-L registry (Wi-Fi and Bluetooth address vendor prefixes)
  • Vendor public documentation and product pages

Other kinds

Join the free Android beta Hear it sooner: companions from $64