Block a cell phone - what is a cell phone blocker

Buy Cell phone 7-channel Jammer with fan 3G+GSM+4G Jammer, price $153
Buy Cell phone 7-channel Jammer with fan 3G+GSM+4G Jammer, price $153
DescriptionYou are viewing powerful cell phone jammer with cooling fans and 7 bands, which was specially designed to prevent such signals as GSM, DCS, CDMA, PHS, and 3G. This signal jammer is a high quality unit. The jamming range of this jammer varies in dependence with signal strength and covers up to 15 meters. Thanks to easy weight, you can take this jammer everywhere you go. What’s more, this jammer is absolutely harmless and does not influence human health. In addition, this signal jammer has improved cooling system, equipped with cooling fans, so you can use jammer for a long time. This jammer is suitable for places where silent atmosphere is required, foe example, during the negotiations or any other serious meeting, also it can be used at schools and universities during exams to avoid cheating. The gps blocker is intended to disable gps tracking devices. In addition, the jammer can be used in cinemas, theaters, churches, libraries, law courts, military units, banks, hospitals, meeting rooms, etc. At a Glance...   Built in fans   7 Band cell phone jammer   Block all cell phone signals (GSM/DCS/CDMA/PHS/3G (TD-SCDMA/CDMA2000/WCDMA))   Blocking range 15 meters   Improved design and internal cooling allow for extended use! SpecificationAffected Frequency Ranges:869-880MHz (CDMA)935-960MHz (GSM)1805-1920MHz (DCS/PHS)2005-2035MHz (TD-SCDMA)2110-2170MHz (CDMA2000/WCDMA)    Output Power: 4 Watts    Antenna: Built in    Built in Fans: Yes    Affected Radius: up to 15 meters (depends on signals)    Power Source: Wall plug (AV110-240V, DC5V)    Working temperature: -10 to –55?    Relative Humidity: ?90%(RH)    Weight: 800g    Dimensions: L: 260 x W: 160 X D: 44 (mm)AccessoriesJammer x 1Power adaptor x 1User manual x 1

block a cell phone

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