Signal Killer GSM CDMA Power Adjustable

Security at workplace has become the top most priority of business enterprises. signal jammer are getting popularity very rapidly . A mobile phone jammer is an instrument used to prevent cellular phones from receiving signals from base stations. When used, the jammer effectively disables cellular phones. These devices can be used in practically any location, but are found primarily in places where a phone call would be particularly disruptive because silence is expected.

This little gadget stops those around you from making or receiving phone calls, by preventing mobile phones from receiving signals from nearby base stations. Oh, how we’d love to use one of these the next time we’re on a train and someone decides to broadcast his conversation. However, the technology is used in prisons. Prisons in many countries are using such devices to reduce the likelihood of recidivism.

School bosses in Russia began their clamp down after noticing sneaky students had been using their smartphones to look up answers and and hints on the Internet during tests. In a major crackdown, telecoms business, Rosobrnadzor, advised schools to use metal detectors at the entrances of exam rooms and if possible, gsm jammer, in a bid to ban mobile phones and tablets from the classroom.

Meanwhile, Russia's neighbours, China, have started using GSM jamming devices to stop students from cheating and are equipped with such devices in many education institutions. Many secondary schools and universities now use such devices.

In addition to China, schools in Italy are now beginning to ban mobile phones altogether, and the ministry of education has decided to try to use mobile phone interference devices to ensure students' learning efficiency.