CELLULAR TELEPHONE JAMMING METHOD AND DEVICE

摘要

A cellular telephone jamming device (10) is provided for jamming cellular telephone communication in a selected zone. The device (10) includes a noise source (12) for generating a noise signal, and transmitter means. The device (10) further comprises first (14), second (18), third (20), fourth (22), and fifth (26) amplification stages, first (16) and second (24) band-pass filters, and a power supply (28). The transmitter means is connected to the noise source (12) and operable to transmit the noise signal in the selected zone. The selected zone is typically a location in a building and the invention extends to a method of disabling a cellular telephone unit in the selected zone.