«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. 3G 4G Cell Phone Blocker With Coverage 30~40m Cell Phone Jammer Professional for Blocking 2G 3G and 4G Phone Signals – 6 Bands Desktop Professional Cell Phone Jammer Just by using this mobile phone jammer the 2G 3G mobile phone signals can be easily blocked within its jamming range. So for places like the classroom, meeting room, church, library and many other places this remote controlled 3G mobile phone jammer can be used to create peaceful condition. It can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more. For 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 instrument. Frequency: CDMA: 850-894MHz. GSM: 925-960MHz. DCS: 1805-1990MHz. 3G: 2100-2170MHz. 4G: 2500-2700MHz. Main function: 4 channel type can efficiently provide shield for mobile signals from CDMA, GSM, DCS, PCS, WCDMA and PHS. 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 200 meters away from the base station. Switching on, it can work stably for a long time. Slow start-up circuit can avoid sparkling caused by mechanical switch. Technical parameter: Effective isolating / shielding diameter: 100m. Isolating signal bandwidth. It can work stably for a long time. Power input: AC110V-240V, 50/60Hz, 1.0A. Power output: DC 4.2V, 10A. Temperature: -40℃ to +55℃. Relative humility: 30~95% (RH). Product size: 25.5 x 11 x 3.2cm Important Notes: 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.

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».