Cell phone blocker device - how to build a cell phone jamming device

Military Edition Portable 6 Band Signal Jammer Cell phone Jammer for GSM, GPS, 4G devices and Lojack

Before turning on the device,you must install the antennas accordlng to the mark indication on the main unit   : （1）CDMA/GSM:850  to  960MHz   （2）DCS/PCS:1805  to  1990MHz （3）3G: 2,110  to  2,170MHz     （4）GPS:1570----1580 MHz   （5）4G:2345- 2400MHZ OR  2620-2690MHZ（6）LOJACK 167MHZ  to  175MHZ LCD Display Screen:  Display working whether normally, the battery power display, charging display, the body temperature display, more convenience to control the using of the device.Cooling Fan: Using dual fans cooling, more uniform heat dissipation , more stable interference performance. Could be used in car directly,With car charger and AC charger              Figure 5 Switches: 1 main switch, the No. 1 to No. 6 switches for antennas single control switches, can choose to interfere antennas function individually; the switch with memory function, if device restart, default before function design.             You can select six  of above frequency bands you need in a jammer ODM and OEM orders are welcome Total output power: 3W ,Small size design so the temperature is a bit higherJamming range: up to 20m, the jamming radius still depends on the strength signal in given area External Omni-directional antennas all the TX frequency covered down link only Power supply: 50 to 60Hz, 100 to 240V AC With AC adapter (AC100-240V-DC12V),4000mA/H batteryDimension: 145x83x52mm and not include antennasInner box dimension:238x175x75mmFull set weight: 0.88kgr With Built-in Battery:4000mA/h,Charge full time about 6Hours,Working time:1-2Hours.Application Area:it can be applied at meeting rooms, conference rooms, trains, bus and moreFor some locations of special purpose such as hospitals, gas stations and more, Please do field test first to make sure no interference happened to the normal operation of their equipment and instrumentWarranty:  One year from delivery date.

cell phone blocker device

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