The invention refers to a method for a screening device and a screening device (1), for a cellular communication system comprising a user equipment, UE, (UE) in a cellular network The invention is characterized in the screening device (1) is arranged to generate a pulsed first signal (S1) being matched...http://www.google.com.au/patents/US8055185?utm_source=gb-gplus-sharePatent US8055185 - Jamming device for mobile communication
