The disruption of communications between criminals, especially drug dealers, terrorists provide an appropriate role for cellular phone jammers. Bomb disposal teams around the world use powerful jammers to block cellular phones which are used to trigger bombs. The recent remote detonation of explosive devices by using a cellular phone connected to the detonator shows just how important a cellular phone jammer can become in these years. The first group of frequencies is used for the 'downlink' communication between the cellular towers and the mobile phones themselves. The second group is used for the 'uplink' between the phone and the tower.
Clients have the choice of either jamming the tower or selected mobile phones.
Normally, jammers are used to block cellular phones and not the towers of cellular network companies. Jamming all cellular phone signal. All specified cellular phone signal will be paralyze simultaneously. Paralyze all transmission or receptions of cellular phone signals. Prevent from any interference or disturbance of cellular phone calls.