







Portable Powerbank Ultrasonic Sound Wave Generator
Blocks Smartphones, Tablets, and Hidden Recorders
Causes Serious Noise to Microphone Interference
Portable Power Bank Function to Charge Devices
Enter your email and we’ll notify you when this product is back in stock.
Free UK Shipping
30 days Easy Returns
The F-50 Anti-Recording microphone Jammer (commercially referred to as an Ultrasonic Sound Wave Generator) is a portable counter-surveillance privacy shield. It is specifically engineered to target, overload, and neutralise listening and recording microphone diaphragms within its vicinity (3 square metres).
Jamming & Acoustic Coverage
Electrical & Power Specifications
Controls & Structural Build
Orders are processed and shipped promptly. Returns accepted within 30 days if unused and in original condition. Faulty items can be returned within 60 days for exchange or refund. All products include a 12-month manufacturer warranty.


Check the recent reviews
Your cart is empty
Continue shopping