«Signal blocker» belongs to the Cell Phone Jammers category.

In case of electronic products or those that require connection to the power grid, All products are supplied with the adapter and plug corresponding to the country of delivery of your order. If you need a different adapter than the one used in the country of delivery, please indicate it in the comments of your order. Temporarily «Signal blocker» is not available for sale on spyfactor.com. Cell Phone Signal Jammer With Coverage 40 ±5 m Just by using this signal jammer the device signals can be easily blocked within its jamming range. Signal jammers are widely used in different places, such as school, university， examination room, gas station, church, court, library, meeting room, government, theater, military area and so on. With the help of signal jammers, the cheating problems are solved, which ensures the equity in exams. When they are applied in church, court, library, meeting room, theater, they can prevent device from receiving signals, which maintains absolute silence. High sensitivity, scope adjustable, large range of detecting frequency Technical parameters Effective isolating/shielding diameter: 40 meters ± 5 meters. Isolating signal bandwidth: CDMA: 869-89MHZ, GSM: 925-960MHZ, DCS: 1805-1880MHZ, PHS: 1900-1990MHZ or 3G: 2110-2170MHZ Working time: it can work stably for a long time. Environment temperature: -40℃ to +55℃. Relative humidity: 30%-95%. Power adapter: input AC 110V-240V output DC 5V. Switching on, it can work stably for a long time. Slow start-up circuit can avoid sparking caused by mechanical switch. 4 channel type can efficiently provide shield for mobile signals from CDMA, GSM, DCS, PHS and 3G It only shields the signals from mobile phone and does not affect the normal operation of other electronic devices Generally, please use your mobile phone at the places more than 200m away from the base station English User Manual No harm to human body or other electronic devices. 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. Please dont put the jammer in high voltage and high magnetism locations.

The information provided and referred to the product features and details has been provided by the expert, manufacturer or producer or published on the official sites. In no case can it be considered as assessment made by our team, unless expressly stated otherwise. We suggest you to refer to the comments and reviews posted by our customers and users to expand and contrast this information. Made in Hong Kong. We recommend you check the applicable regulations in your country regarding the use of this type of devices. We recommend that you check the applicable regulations in your country regarding the declaration of conformity, standards and use of «Signal blocker».