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Mobility Secured
Secure your communications with products from Baka. Protect your mobile life with advanced shielding technology.
Protect Your DataGuardian Ultrasonic
Prevent your phone from secretly recording your private conversations. Simply place your phone on top and the microphone can no longer hear anything. Simply place your phone on top, and the microphone can no longer hear anything.
Microphone Disabled
When placed on Guardian Ultrasonic, your phone can’t hear anything in its surroundings. Meetings stay private. Conversations stay yours.
Battery Powered
Over 4 hours of active use and more than 1 week of standby time. Built-in battery supports multiple meetings without interruption.
Privacy First
No internet. No Bluetooth. No WiFi. No software updates. No attack surfaces. Pure hardware protection.
It Just Works
Automatically activates when a phone is placed on top. No power button to forget. No configuration required.
Designed for Absolute Privacy
Engineered for professionals, executives, and anyone who values confidential discussions.
Simple. Automatic. Secure.
In today’s world, your smartphone is always listening — even when you think it isn’t.
Guardian Ultrasonic creates an ultrasonic sound field that prevents microphones from capturing usable audio.
No apps. No pairing. No setup. Just place your phone down and continue your meeting with confidence.
Protect Your Conversations
Security isn’t optional. Privacy isn’t negotiable.
Get Guardian Ultrasonic