Bloqueador Direcional de Celular N-14 Ajustável 120 W 2/3/4/5G/WIFI/GPS/Bluetooth Bloqueador de Wi-Fi para Antifraude em Exames
Soluções confiáveis de um fabricante de confiança
Com o aumento das fraudes eletrônicas em salas de exame, bloqueadores de sinal tornaram-se uma ferramenta essencial para manter a integridade das provas. Somos um fabricante especializado em proteção de segurança da informação, com 21 anos de experiência em pesquisa e desenvolvimento. Nossos dispositivos são reconhecidos pela qualidade confiável e preços competitivos, tornando-os uma escolha segura para ambientes de exame. Para quem tem pedidos personalizados ou está em busca de um fabricante confiável de bloqueadores de sinal, convidamos você a consultar-nos.





Precauções
-
Fatores que afetam o alcance real incluem intensidade do sinal, distância da estação-base, formato do celular, obstáculos, altura e especificações de instalação.
-
É normal o aquecimento após longas horas de uso. Se a temperatura estiver muito alta, desligue e contate seu distribuidor local.
-
Altura recomendada: 1.8m~3m, escolha um local sem obstáculos entre o equipamento e a área de bloqueio.
phone jammer applications
FAQS
-
Quais faixas de frequência seus produtos podem bloquear? Suportam 5G?
Sim. Suportam bloqueio de espectro completo: 2G/3G/4G/5G, Wi-Fi 2.4G/5.8G, GPS L1–L5, Bluetooth, UHF/VHF, LoRa etc. Bandas específicas podem ser personalizadas. -
É possível ajustar a potência individualmente por banda?
Sim. Cada módulo permite ajuste independente, possibilitando controle preciso do raio de bloqueio, reforço de bandas específicas e redução de consumo de energia. -
Funciona em ambientes de sinal forte (<200m de torres)?
Sim. Com módulos RF de alta potência e antenas de alto ganho, o bloqueador é eficaz mesmo próximo a estações-base. -
Afeta outros equipamentos eletrônicos como projetores ou microfones?
Não. Bloqueia apenas frequências de comunicação sem fio, não afeta equipamentos com fio. -
Posso ajustar a potência de cada frequência?
Sim. Cada módulo pode ser ajustado para controlar o alcance (8–100m). -
Vários bloqueadores omnidirecionais interferem entre si?
Não, se instalados corretamente. Fornecemos layout otimizado para evitar sobreposição. -
É necessário instalar equipamentos fora da sala?
Normalmente não. Apenas em ambientes extremos próximos a torres externas recomendamos uma unidade externa adicional. -
A instalação danifica a estrutura do prédio?
Não. Pode ser montado em paredes, tetos ou pilares. Altura recomendada: 2.5–3m, layout flexível. -
Pode operar 24/7? Há risco de superaquecimento?
Sim. Projetado para operação contínua 24/7, com refrigeração em 6 zonas e circuito de partida suave. -
Vocês oferecem OEM/ODM?
Sim. Com mais de 21 anos de experiência, personalizamos potência, bandas, carcaça e protocolos para salas de reunião, prisões, áreas militares, veículos e mais.
| Categoria | Desempenho e Métricas |
|---|---|
| Dimensões | 435 × 293 × 130 mm (Comprimento × Largura × Altura) |
| Peso | 7,2 kg (unidade principal) |
| Alcance de Blindagem | 8–100 m (dependendo da força do sinal da estação base) |
| Fonte de Alimentação e Consumo | AC 110–220V / DC 24V / 20A, Consumo: 480W Fonte de alimentação chaveada dupla integrada |
| Temperatura de Operação | -10℃ a +55℃ |
| Temperatura de Armazenamento | -20℃ a +60℃ |
Parâmetros Elétricos
| Canal | Sinais Blindados | Frequência de Operação | Potência de Saída da Faixa de Frequência | Potência de Saída do Canal |
|---|---|---|---|---|
| CH1 | Broadcast 5G/Mobile 5G | 758-803 MHz | 40 dBm | 5 dBm/30KHz(mín) |
| CH2 | CDMA/Telecom 2G/4G | 851-894 MHz | 40 dBm | 5 dBm/30KHz(mín) |
| CH3 | GSM/Mobile 2G 4G/Unicom 4G | 925-960 MHz | 40 dBm | 5 dBm/30KHz(mín) |
| CH4 | DCS/Mobile 2G 4G/Unicom 4G/Telecom 4G | 1805-1990 MHz | 40 dBm | 2 dBm/30KHz(mín) |
| CH5 | PHS/Mobile 2G 4G/Unicom 4G/Telecom 4G | 1805-1990 MHz | 40 dBm | 2 dBm/30KHz(mín) |
| CH6 | 3G/Mobile Unicom Telecom 3G 4G | 2010-2170 MHz | 40 dBm | 2 dBm/30KHz(mín) |
| CH7 | 3G/Unicom Telecom 3G 4G | 2110-2170 MHz | 40 dBm | 2 dBm/30KHz(mín) |
| CH8 | 4G1/Mobile 4G(cobertura interna) | 2300-2400 MHz | 40 dBm | 2 dBm/30KHz(mín) |
| CH9 | WIFI2.4G/WIFI5.8G | 2400-2483 MHz/5725-5850 MHz | 37 dBm | 2 dBm/30KHz(mín) |
| CH10 | Mobile 4G 5G | 2500-2600 MHz | 39,5 dBm | 2 dBm/30KHz(mín) |
| CH11 | 5G1/Telecom 5G | 3300-3500 MHz | 39 dBm | 2 dBm/30KHz(mín) |
| CH12 | 5G2/Unicom 5G | 3500-3800 MHz | 39 dBm | 2 dBm/30KHz(mín) |
| CH13 | 5G2/Mobile 5G(cobertura interna)/WIFI5.2G | 4800-4960 MHz/5150-5350 MHz | 37 dBm | 2 dBm/30KHz(mín) |
Excellent Experience—Many User Reviews
Grace Mitchell
Germany
This is our second time ordering the the cell phone blockers from this company, and we are very satisfied. The shielding performance is excellent, and both the industrial design and cooling system are impressive. Mr. Chen is always friendly and replies quickly—often within an hour, despite the time difference. This supplier has our full trust. Confidently recommended for any organization needing high-quality signal blockers.
James Walker
Indonesia
We've been using the N-14-120W signal blockers for our examination venues for years, and the performance is excellent every time. Shipping to Indonesia is surprisingly fast, often ahead of schedule. The supplier is very reliable, always quick to answer our technical questions and adjust settings for different venue sizes. They even confirm the specifications before shipping. The equipment is always well-packed and arrives in perfect condition. 100% RECOMMENDED! Ask for Chen—he provides fantastic support.
Mia Thompson
Canada
The N-14-120W blockers we ordered work perfectly! 📶 The shielding is strong and stable, and the build quality is excellent. Communication with the technical team was smooth and professional, making the whole process easy. We also received a performance report before bulk order, which gave us full confidence. Will definitely order more for our meeting rooms. Thank you!
Isabella Moore
United States
I'm very satisfied with the DescBoost cell phone blockers we deployed. Mr. Chen is an excellent support engineer—helpful, professional, and very attentive to our site requirements. The equipment performs flawlessly in our conference rooms, and shipping was fast. Highly recommend working with him, and we will definitely purchase again.
Isabella Moore
United States
I'm very satisfied with the DescBoost cell phone blockers we deployed. Mr. Chen is an excellent support engineer—helpful, professional, and very attentive to our site requirements. The equipment performs flawlessly in our conference rooms, and shipping was fast. Highly recommend working with him, and we will definitely purchase again.
Lily Harris
United States
Delivery was slightly delayed due to customs, but once we received the N-14-120W units, we were impressed by the build quality. The heat dissipation and signal stability are excellent, and performance exceeded expectations. The devices are professional, durable, and ideal for our secure facilities. Tested under full load, and they performed perfectly. Very satisfied and planning a larger order. Highly recommended supplier.
Emma Richardson
United States
The shielding effectiveness, build quality, and packaging are excellent. The devices look professional and work very reliably. Planning to make them our main supplier for all secure meeting venues. 💖
Lucy
United States
Just received the blockers and they all look robust and perform beautifully 💪 The signal blocking is always consistent, and the pricing is very fair. This supplier has been reliable every time—highly recommend! 🤩
Olivia Evans
Germany
The N-14-120W units work great, and the directional adjustment feature is very useful. The engineer Chen was very professional, offered excellent advice, and helped us optimize the antenna setup for maximum coverage. Extremely happy with the result and will order more if needed. Thank you!
Sophia Lee
United States
Very satisfied with the K-14-80W blockers—will be placing another order soon. They work perfectly in our training centers. We even customized the frequency ranges to match local networks, making the solution feel unique and tailored. 🙂
Razi Riz
Vietnamese
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
Canada
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
South Africa
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.
- Choosing a selection results in a full page refresh.