Cell phone signal blocker device, generally speaking, can be divided into ordinary shielding and high-quality shielding.
Ordinary shielding, its technical characteristics are mainly based on shielding principles, using a large number of low-power or high-power equipment to fight against, staying on simple technical solutions.
High-quality shielding, its technical characteristics adopt strong signal digital frequency hopping technology, which reduces radiation by 150 times compared with ordinary shielding technology; mainly outdoor shielding, reducing indoor radiated power by hundreds of times; using multi-channel combined technology, full-frequency antenna replacement N frequency-dividing antennas are suitable for wireless remoteness and lay the foundation for distributed antennas; using distributed antenna technology to reasonably allocate shielding power, disperse the power signal, reduce antenna radiation, provide dozens of times the efficiency, and eliminate dead ends and leaks.
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