Because it only interferes with downlink signals, this cell phone jammer device will not affect the mobile base station during use, nor will it affect the normal use of other electronic devices. Therefore, in the propaganda of the merchant, this device is called: "Adopting foreign advanced technology, 4G Cell Phone Blocker Blocker Overseas Mainly used in small places that need security and confidentiality at home and abroad, such as private bosses, confidential offices, negotiation rooms, mobile vehicles, mobile dignitaries, VIPs in the business community are waiting on the scene, and according to the actual situation of mobile communications at home and abroad, the high-tech products carefully developed... give you a safety and a tranquility."
Every year in the examination season, many parties are gradually anxiously planning the examination work, and the invigilators also have their own tricks to avoid new technology fraud. Among them, the special test room 4G Cell Phone Blocker Blocker Overseas is still against mobile phone jammers. As a well-known manufacturer of cell phone signal jammers, the types, models and specifications of cell phone jammers vary. Applicants should determine their requirements before purchasing.
