120W Adjustable Cell Phone Blocker

In high-risk prison environments, unauthorized mobile communications can leak critical intelligence to inmates or external accomplices, enabling coordinated escapes, smuggling, and violent incidents that threaten prison safety and order. Our device delivers full coverage blocking of 2G/3G/4G/5G, GPS, WiFi, and Bluetooth signals—effectively cutting off inmate communications and preventing these security risks.

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Features - Mobile Optimized
Features

Reliable Operation Near Base Stations

Designed to overcome strong cellular signals, ensuring stable performance where standard blockers fail.

Directional Interference Technology

Forward-focused blocking prevents affecting areas behind the device, ensuring precise coverage control.

Discreet & Portable Design

Suitcase-style appearance with built-in antenna allows for easy deployment and wall-mounting in various environments.

Multi-Band Simultaneous Blocking

Effectively jams mobile phones, WiFi, GPS, and other frequency bands simultaneously for comprehensive signal suppression.

Adjustable Power & Frequency

Precise customization for specific areas like prison meeting rooms, avoiding unnecessary interference.

Configurable Coverage Range

Effective blocking distance from 8 to 100 meters, adaptable to different operational requirements.

Prevent Coordinate Escapes&Smuggling

Since 2004, DescBoost has been used for cell phone blockers by governmental customers in Europe, North America, Australia, the Middle East, and Asia.

We provide professional directional blocking solutions for conference rooms. Installation points are scientifically planned based on the height and structural layout of the meeting room, preventing security intelligence leaks.

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500W Full-band Pelican Case Blocker

It provides a comprehensive solution to block communication signals from various wireless devices, such as drones, remote-controlled toys, walkie-talkies, mobile phones, and Wi-Fi devices, within the frequency range of 20–6000 MHz.
These blockers neutralize IED triggers, ensuring personnel and mission safety in hostile zones.

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Prevent IED

Why Choose Us

Global Experts in Cell Phone Blockers

  • 21-year Professional Manufacturer: As a GJB 9001C, EMC, and CE certified manufacturer with 21 years of experience, we are trusted by correctional facilities, military, and government agencies worldwide.
  • Factory price, wholesale discount.
  • OEM/ODM: We offer customizable signal blockers tailored to your needs, and flexible scheduling with sample orders available.
  • High quality&Effective Balockers: Our device blocks all major communication bands, leaving inmates no blind spots to plan escapes or smuggle contraband. With comprehensive protection, it keeps the prison secure—at all times, without fail.

Click to WhatsApp: +86 15813705916

About Us

Testimonials

Razi Riz 

We needed a reliable solution to block unauthorized communications used by inmates to smuggle contraband or coordinate escapes and to prevent sensitive information leaks during meetings. This signal blocker exceeded our expectations! Not only is it high-powered, but it also allows precise adjustment of power and frequency. Its unobtrusive design delivers exceptional effectiveness. Once activated, there are no signal blind spots and no risk of information leaks—exactly what we needed for enhancing prison security.

John Israel 

We installed this signal blocker throughout our prison, and it immediately enhanced our security measures. Its precise, adjustable power settings let us customize coverage exactly where it’s needed. By blocking all mobile and wireless signals, we have effectively reduced the risks of attacks and violence. It has become an indispensable tool for protecting the integrity of our facility.

Johnson Lam 

As a prison security officer, I had doubts at first about how effective the signal blocker could be.However, this high-power phone blocker has exceeded all my expectations. Even near strong cellular base stations, it consistently maintains full effectiveness. It’s perfect for supporting comprehensive, multi-layered security protocols. Truly a professional-grade solution tailored for correctional facility security.