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Best Robocall Blocker For Cell Phone

Perfectjammer 2021-12-04

Best Robocall Blocker For Cell Phone

Use multiple mobile phones with multiple frequency bands to test the shielding effect of Best Robocall Blocker For Cell Phone on the spot, which is a convenient, trouble-free and feasible test method. Compared with the limitations of passing the mobile phone test software, and the need to convert after passing the professional instrument test, this method is easy for users to grasp. The method is as follows: prepare a mobile phone with multiple frequency bands, including: China Mobile, China Unicom, PHS, 3G (There are three types of 3G: Mobile TD-SCDMA, China Unicom CDMA2000, Telecom WCDMA), and then turn on the mobile phone signal jammer, handheld For each mobile phone, test the effective shielding radius of the mobile phone jammer from near to far away from the installation position of the mobile phone jammer. It is recommended that the user should test the shielding distance in multiple directions from the jammer at the same time during the test. cell phone jammer

Many schools have become busy recently, because the days of the college entrance examination are counting down day by day, and they are constantly preparing the materials and machines required by the examination room. This is to allow candidates to take the exam in a stable and orderly environment. This is also the responsibility of the school. So recently we can see that a kind of machine has been installed in the examination room. This is the examination Best Robocall Blocker For Cell Phone that many schools have been vigorously promoting recently. It is a problem that can effectively counteract cheating by electronic signals, although it is so effective , But what is not known is that when it is actually put into use, its effect is also different according to the place and situation of the installation.

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