P-US-04 – Portable 4 bands Wi-Fi Signal Jammer

This is a portable multi-frequency wireless signal jammer with a range of about 15 meters, capable of effectively blocking WiFi, Bluetooth, and wireless camera signals for use in various security and signal-control scenarios.

https://www.thejammerblocker.com/inexpensive-practical-wi-fi-signal-jammer-for-spy-camera-with-dark-blue-design/