Will using a signal jammer harm my phone?

The jammer can block the mobile phone signal, so will it affect the mobile phone, and will it have a bad influence on the mobile phone?

Topsignaljammer  2022.3

Mobile communication has brought great convenience to our lives, but in some special occasions such as the examination room, it is necessary to avoid the occurrence of people using mobile phones to check, leak secrets, and carry out sabotage through the mobile communication network. At this time, it is necessary to use wireless interference. The method to partially destroy the communication in the designated area, the mobile phone signal jammer came into being; the cell phone blocker will only affect the mobile phone to receive the signal, and will not cause damage to the mobile phone. It will go back to normal without any damage.