Are you considering a cell phone jammer for your building or place of business? If so, you’re probably curious how they actually work — and what effect they have on your phone.
When you use a jammer, a lower power radio signal is broadcast. The signal is capable of cutting off communication between a phone and its cellular base station. When this happens, all phones in the affected area will display “No Service” – incoming calls will be blocked. To the caller, the phone appears to be switched off.
While jamming phones will render them unavailable, certain predefined areas will not be blocked. By default, these frequency regions include…
*EMS frequency band
* fire belt
* Police Band
*Medical service paging belt
So you don’t have to worry about putting yourself or anyone else in danger when you use active jamming. Police, fire and EMS radio users and pager users can still communicate, but your clients, patrons or students won’t be interrupted by non-emergency cell phone chats, providing a quiet environment.
Once the jammer is turned off, the phone will automatically re-establish communication with the cell tower – and users affected by the jammer will once again be able to receive cellular-based services.
It should be noted that using a jammer will not damage the phone in any way. It should also be noted that the same applies to any GPS jammer.
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