cell phone booster for sale effect only for mobile phone communication and other electronic equipment without interference harmful to humans, and can be widely applied to various types of meeting rooms, auditoriums, court, library, exam, schools, theaters, hospitals; gas stations, filling stations, oil fields, oil depots; government, military, financial, securities, prisons, public security or command center and all other places prohibit use of mobile phones.



Cell phone signal jammers all the latest chip components and integrated circuits, with state-of-the-art performance, easy to install and use, and can be long hours. Production process strictly follows the ISO9001 quality system, stable and reliable work, strengthen information security, and to ensure safe production and protect the environment, the ideal, reliable security products.


Main function

1. The four-channel models effectively shielded CDMA, GSM, DCS, PHS mobile signal

2. Only shielding phone signal does not affect the normal work of other electronic devices

3. General use away from the base station 200 meters away from the place the best results

4. Power can be stable operation for a long time

5. Slow start circuit design line count can avoid mechanical switch ignition phenomena



1. Must first antenna host on the corresponding logo installed and then connected to the host power.

2. The effective coverage jammers based jammers as the center of the circular area, so pay attention when using jammers placed right choice in order to avoid the shielding dead ends.

3. The shield should be placed in a location with good ventilation and try to avoid large objects obscured to avoid strong electromagnetic sources of strong heat source to ensure the shielding effect and is stable for a long time.

4. The jammers work shall not be stacked on other items and demolition antenna, so as not to affect the shielding effect and damage the machine.

5. Shielded when not in use, should be promptly cut off the power supply, so as not to affect the normal use of the phone.

6. Jammers used outdoors, attention waterproof.

7. When the use of the site area is greater than the effective shielding range, it is recommended using portable mobile phone jammer installed to ensure the shielding effect.