Cell phone jammers for classrooms , High Efficiency Bomb Vehicle Jammer 900 MHZ Jammers AC220V
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    20-3000MHZ ,full frequencies bomb jammer/ vehicle jammer with wide coverage   Description:     20-3000MHZ,Using DDS Jamming technology to make the Frequency setting more precise  With all the mobile signal bands ,and each band 100 watts to keep long distance. Highly Efficiency output power, long jamming radius Slow start up design of circuit to make the device work stably.  Perfect Self Protection:   Over Heat protection – Thermal protection Over current protection High input Voltage and low Voltage protection VSWR protection: against antenna miss-match including open and short circuit Waterproof, protection against to rain     Specifications:   Channel Frequency Range Output Power CH1 500-1000 MHz 50 dBm CH2 1000-1500 MHz 50 dBm CH3 1500-2000 MHz 50 dBm CH4 2000-2500 MHz 50 dBm CH5 2500-3000 MHz 50 dBm CH6 20-80 MHz 50 dBm CH7 80-200 MHz 51.3 dBm CH8 200-500 MHz 51.3 dBm CH9 851-894 MHz 51.3 dBm CH10 925-960 MHz 51.3 dBm CH11 1805-1990 MHz 51.3 dBm CH12 2110-2170 MHz 51.3 dBm CH13 2400-2500 MHz 50 dBm Power Supply:AC220V           Jamming radius: 50-500M depending on the environment signal strength Power Consumption: 3900W                            Host Weight :79.5Kg  Host Size(L×H×W)::660×480×520 mm Power Supply Weight:49.3Kg              Power Supply Size:466×385×420 mm Humidity: 30%-95%                     Working temp: -10 to +55 degree Celsius Competitive Advantage:   1. with good cooling system, can operate for long time. 2. Using digital interference technology, overall effective suppression of target spectrum. 3. independent module design. Each module can separate switch,disassemble. So it is convenient for maintenance and update. 4. Use the wired control.With the control panel,we can adjust the output power and frequency in the boot state for each module.It is convenient for operating and personnel management. 5. Perfect Alarm System, fully protected circuit in case of disconnection of antennas.   Applications:   1. VIP convoy protection 2. Military camp 3. Government building 4. Police Checkpoints 5. Bomb disposal and vehicle mounting for military complexes. 6. Filed Operation activity   ,

cell phone jammers for classrooms

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