DAT-205C

1, the latest 4G multifunction models, blocking all signals of all 4G, 3G, 2.4GWIFI Bluetooth, 2G and so on. 2 high-heat aluminum shell, excellent thermal performance, durable, ensuring long continuous reliable operation. 3, high-quality switching power supply, imported chips, frequency stability without deviation. 4, blocking a radius of 1-30 meters (non-fixed value, according to different places near and far from the cell tower) 5, blocking the only mobile phone signals, does not affect other electronic equipment to work 6, low radiation, safety and environmental protection, human health without adverse effects. 7, shielding towers downlink frequency does not affect only the uplink frequency. Third, the application places 1, standardized college entrance examination, adult college entrance examination, self-examination and various exam, student dormitories. 2, institutions large and small conference rooms, concert halls, theaters, churches, auditoriums, factory workshop. 3, detention centers, large and small prison. 4. The trial court hall.