How Cell phone jammer Works?

How Cell phone jammer Works?

A phone jammer transmits low power radio signals to cut off communications between cell phones and cell base stations. It does not interfere with any communications other than cellular phones within the defined regulated zone.

Upon activating a phone
jammer, all idle phones will indicate "NO NETWORK." Incoming calls are blocked as if the cellular hand phone were off.
When the phone jammer is turned off, all cell hand phones will automatically re-establish communications and provide full service.

Provides Acoustics Isolation.

A phone jammer provides the ultimate solution in any area where cellular communications frequently cause nuisance either by loud incoming call rings or resulting loud telephone conversations. Examples