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Cell phone jammer for classroom , jammer cell phones be banned

20MHz - 6000MHz High Power Signal Jammer 1 - 15 Channel Frequency Bands
20MHz - 6000MHz High Power Signal Jammer 1 - 15 Channel Frequency Bands
Product Name: High Power 20-6000MHz Full Band Digital Bomb Jammer Power Supply: 220V AC& 28V DC Jamming Range: 50m To 200m Output Power: Up To 1400 Watts Working Frequency: 20MHz To 6000MHz, Full Bang Jamming, No Gaps Frequency Band: 1-15 Channel Weight: Approx. 80kg Dimensions: 700 X 430 X430mm High Power 20-6000MHz Full Band Digital Bomb Jammer , High Power Signal Jammer   VBE-B Series Jammer:   The VBE-B series, which is specially developed by our company, is a vehicular high power signal sealing and control device. It provides full band signal shielding and control for the security special vehicles or motorcade to prevent the threat of mobile radio / mobile phone remote bomb. VBE-B series with large output power, far range of work, equipped with high performance shock absorber chassis, good bumpy resistance, even in the off-road environment in bad road conditions can work normally, equipped with a car wire controller, can be operated by the driver with one hand. All the antennas of the VBE - B series equipment are hidden in the trunk of the roof , and the whole shielding system can be moved along with a slight modification of the vehicle , so that the concealment is good .   Product Instructions:   The VBE-1400B is a vehicle-mounted very high power jammer designed for blocking remote controlled improvised explosive devices(RCIED) Used by terrorist The VBE-1400B is using state-of-art technology for maximum performance and jamming the signals transmits to activate bombs Jamming radius of VBE-1400B depends on several conditions such as transmitter frequency and output power, distance to receiver, and obstacles between, etc Product Features:   Using DDS Jamming technology to make the Frequency setting more precise Highly Efficient output power, long jamming radius Slow start up design of circuit to make the device work stably. Perfect Self Protection: Over Heat protection, Over current protection, High input Voltage and low Voltage protection, VSWR protection Easy operation, using Wire Control Panel to monitor the system   Product Applications:   Military Convoy VIP Protection RIOT Control S.W.A.T Team EOD Operations Electronic countermeasure, etc   Technical Specifications:   Working frequency 20MHz to 6000MHz, full bang jamming, no gaps Output Power Up to 1400 Watts Range Jamming 50m to 200m( depending on the environment signal strength) Internal Modulation Direct Digital Synthesis Power Supply 220V AC/ 28V DC Sweep Rate Fixed Antenna External Omni-Directional Antenna, 360 degree protection Battery Integrated Lithium Iron Battery Battery Capacity 28V - 70A Battery Working Time One hour Dimensions 700 x 430 x430mm Weight Approx.80kg Operating Temp -10ºC - +55ºC Humidity 5% - 90%   Power Amplifier Protection: A. Over Heat protection – Thermal protector B. Over current protection C. High input Voltage and low Voltage protection D. VSWR protection: against antenna miss-match including open and short circuit   Remote Control: Wire Control Panel available A. Output power LCD Indication B. Output power adjusting by LCD C. Output power on/off per band D. Jamming frequency setting by LCD Panel     Product Image:     v>

cell phone jammer for classroom

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item: Cell phone jammer for classroom , jammer cell phones be banned 4.3 9 votes
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This motivated us investigating for such system establishment for a prescheduled cell phone jammer using microcontroller.want to keep your teens (or employees) from texting behind the wheel.by drew fudenberg and jean tirole,.
Use the previous and next buttons,the recorded location data can either be stored within the tracking unit or transmitted to an internet-connected device using the …,.
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