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All Cell Phone Signal Detector
Product Description The product that you are viewing is the All Cell Phone Signal Detector, which owns the ability of detecting the cell phone signals of CDMA(824-849MHz), GSM(890-915MHz), DCS(1710-1785MHz), and PCS/3G(1920-1980MHz) all over the world. This signal detector has 4 antennas, as each frequency band has a corresponding antenna. And depending on the signal strength in the given area the detecting range of this signal detector can reach up to 15 meters. Such signal detector can be used in places like conference room, auditoriums, law court, library, exam room, school, cinema, theater, museum, hospital and so on where needs quiet. Besides it can also be used in the places where cell phones are forbidden such as Service Station, Security Services, Military Units, Border Patrol and Drug Enforcement, Customs, etc. And apart from this it can also apply in a shielded place which makes up with the detector and isolator to prevent using cell phones. If you are looking for the signal detector like this, just come here and pick up with high quality to yourself at the best price! Specifications Detector Frequency: -CDMA:824-849MHz-GSM:890-915MHz-DCS:1710-1785MHz-PCS/3G:1920-1980MHz Available system: world wide cell phone network Each frequency band has a corresponding antenna, so there are 4 antennas on the equipment. Antenna: 4pcs ( Please fix the antenna follow the mark in the unit)   Power supply: AC adaptor,(AC 110-240V   DC5V) Range of the signal detector: 1-15M (It still depends on the strength signal in given area)     Environment Temperature:-20°C ~ 65°C Relative humility:30% ~ 70% Dimension:230*85*30mm Weight:800g Accessories Power adaptor Antenna This product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, Jammerall. Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer’s reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc. Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation .

build a cell phone jammer circuit

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