Blocking Cell Phone Transmissions Bag Cannot Block Wifi5.8G

No matter what mobile phone card you use, as long as it is a mobile phone card under China Mobile, China Unicom and China Telecom, it will be blocked. WIFI is also blocked. Unless you use 5.8G WIFI to surf the Internet, because Blocking Cell Phone Transmissions Bag standard does not block 5.8G WIFI. However, some schools may ask the jammer manufacturer to customize the frequency of 5.8G just in case, so this cannot be guaranteed to be absolutely foolproof. Whether it is a large cell phone jammer or a small mobile phone signal shielding device, its principle is to interfere with the mobile phone to receive the normal frequency sent by the base station through its own frequency, so that the mobile phone cannot contact the base station, so as to achieve the purpose of shielding. The principle of blocking WIFI is actually that the mobile phone signal blocker will emit corresponding frequencies when it is working to interfere with the mobile phone to receive the normal frequency sent by the router, so that the mobile phone cannot connect to the router and cannot access the Internet normally. Cell phone signal blockers​ are mainly used in some school examination rooms, dormitories, detention centers, military units and confidential conference rooms, so as long as you enter these places, your mobile phone will be blocked, and you will not be able to make calls, text messages and surf the Internet normally. There are no exceptions, and you cannot avoid being blocked by setting anything.

At present, there are many suppliers in the test room Blocking Cell Phone Transmissions Bag with various products. It is recommended that schools focus on the following points: Product shielding effect: This is of course the most important. Since there are many signal base stations in the city, the signal strength of each school is different. It is best to test the shielding effect on the spot. Service guarantee commitment: If the product fails, can it be repaired or replaced in time? Is it a one-year warranty or a two-year warranty or a three-year warranty? Price competitiveness: High quality and low price are the goals of all consumers. Whether the price of the product is competitive, what is the school's cost budget, and the supplier's quotation need to be considered comprehensively. In short, to buy the most cost-effective mobile phone signal jammer products.