Once a hidden phone enters the room, the entire exam is at risk.
Traditional supervision alone is no longer enough to stop online cheating, external communication, real-time content sharing, and AI-assisted fraud.
DescBoost K-14-80W phone blocker effectively blocks all wireless communication signals within the exam environment. By transmitting controlled electromagnetic interference signals across designated frequency bands, it establishes a localized electromagnetic isolation zone. Within this zone, wireless devices such as mobile phones, tablets, and smartwatches are unable to establish connections with external communication networks. This ensures information security and fairness during examinations, making it an essential safeguard for standardized testing environments.
For examination environments with complex signal conditions—such as those near base stations or within reinforced buildings—we offer high-power, adjustable blocking solutions. Our N-14-120W cell phone blocker supports precise power＆frequency regulation, multi-channel frequency control, and customized antenna configurations to achieve uniform field strength and full-area coverage. Even under high-signal interference or multi-network overlap, the solution maintains stable and reliable shielding performance, ensuring comprehensive protection against wireless communication and cheating attempts.
Our phone blockers provide full-spectrum interference coverage, effectively blocking mobile communication signals across 2G, 3G, 4G, and 5G networks (including broadcast 5G), as well as wireless communication channels such as walkie-talkies. It also disrupts Bluetooth, Wi-Fi, and wireless transmission signals used by covert earpieces, bone-conduction headsets, and other connected devices.
Our Omnidirectional signal blockers ensure complete 360° coverage in exam rooms, effectively blocking mobile phones, wireless headsets, and all other devices. By eliminating any chance of external communication, they safeguard exam integrity and fairness, providing a secure, distraction-free environment where every student can focus fully on their tests.
Equipped with a built-in aluminum alloy radiator and six fans, the device delivers stable operation, superior heat management, and exceptionally long-lasting durability.
Why Choose Us
Lead times vary depending on order quantity and customization requirements.
Standard Models
Large Examination Projects
OEM / Custom Projects
Urgent orders may be prioritized subject to production capacity.
Selecting the correct model depends primarily on classroom size, building structure, and local cellular signal strength.
K-12 (50W)
Recommended for standard classrooms and normal signal environments.
K-14 (80W)
Suitable for larger classrooms or areas with stronger cellular signals.
K-16 (120W)
Designed for challenging environments located near mobile phone base stations or areas with exceptionally strong signals.
⚠️ IMPORTANT: Signal blocking performance is directly affected by local signal conditions. The stronger the cellular signal, the shorter the effective blocking distance. Site evaluation is recommended before deployment.
Yes. Our examination room signal control systems can be configured to cover multiple communication bands, including:
Frequency configurations can be customized according to regional telecommunications standards and project requirements.
Coverage performance is primarily influenced by the surrounding cellular signal environment.
If a site experiences unusually strong signals due to nearby base stations, additional measures may be recommended, including:
Our technical team provides project evaluation and deployment recommendations to help achieve the desired examination security objectives before and after installation.
Our jammers are designed to create a controlled wireless environment within the intended coverage area.
Coverage can be adjusted through proper model selection, installation location, antenna configuration, and power settings to help minimize unnecessary impact outside the examination room.
For multi-room examination projects, our engineers can recommend suitable deployment plans based on building layouts and signal conditions.
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