More context 11:57 Jun 22, 2016
Such an arrangement makes it possible to produce a wideband jamming signal or a multiband jamming signal, of adapted frequency bands, carriers and levels within given zones where cell phones 4 whose operation it is sought to prevent may be located. In practice, the jamming signal is injected into the linear antenna via the connector 3 with a level adjusted to each band and to each carrier within these bands to jam and prevent, on these carriers, all the exchanges of data between the mobile terminal and prohibited communication networks, and do so, within all of the zone covered by the linear antenna.
"portadoras"?? |