Find Out The Blocked Number On A Cell Phone For Long-Term Work
Every year in the examination season, many parties are gradually anxious to plan for the examination, and the invigilators will use various tricks to avoid new technology fraud. Among them, the special Find Out The Blocked Number On A Cell Phone for the examination room is still an anti-blocker. However, Shijiazhuang Anshida, as a well-known manufacturer of signal shielding devices, reminds that there are various varieties and specifications of shielding devices. Before purchasing, the application party should determine its own requirements to prevent the actual shielding effect from being poor and causing safety accidents in the examination room. Also pay attention to the accuracy of the method of operation. First of all, I want to establish the application field. Most of the cell phone jammer used in the test field type are suitable for long-term work and are durable. The second is how big are we in the blocked area? For example, it is a one-hundred-square-meter house or a site of more than one thousand square meters. If the total area is large, the output power must be larger, and if the total area is small, the shielding output power can be adjusted. There is also what frequency band must be blocked, is China Mobile, China Unicom, Telecom, CDMA all blocked? Or only part of the frequency band must be blocked.
With the upgrading of China's mobile communication technology and the Internet, the new 5G information age has already arrived and announced for commercial use. In the new 5G mobile communication technology information age, some examination rooms, main venues, detention centers, etc. must strictly prohibit the use of mobile phones. How do I choose to replace a new Find Out The Blocked Number On A Cell Phone ? First of all, let's first understand the 5G frequency band division of China's four major operators, which will help everyone better grasp the shielding of the Internet by 5g signal jammers, so that we can properly choose mobile phone signal shielding instruments. China's four major operators' 5G operating frequency allocation plan and operating license plates have been released, and the Ministry of Industry and Information Technology has issued approval to the four basic operators for the application of experimental working frequency in the 5G medium and low frequency bands across the country, which also represents the announcement of 5G Internet. into the commercial range.