Welcome To Perfectjammer Here you can get the latest information about jammers. Hope our information some help to you

Handheld Cell Phone Blocker 16 Bands 5G Jammer

The Shielding Range Of Tech Shield Blocking Cell Phone Reception Is Related To The Environment

Perfectjammer 2022/04/04

The effective shielding range of cell phone signal jammers will vary in different usage scenarios. This is closely related to the field strength of the live signal. The shielding range of mobile phones of different standards at the same site is not necessarily the same; factors that affect the shielding range include but are not limited to: distance from the signal tower, orientation, obstructions, wall materials of the site building, Tech Shield Blocking Cell Phone Reception installation height, installation specifications etc.; the equipment has undergone rigorous testing and aging before leaving the factory, but it is not excluded that the equipment is individually damaged during transportation. If the customer receives the goods, shake the device gently and hear the sound of parts falling off. discontinue use and contact the dealer or manufacturer for immediate repair;

The signal in the apartment is poor. You can check whether the signal of China Mobile Unicom and China Telecom is not good, or only one signal is not good. If the signal of China Mobile Unicom and China Telecom is not good, you can install Tech Shield Blocking Cell Phone Reception , because Cell Phone Jammer is full frequency band, which can block all 2G 3G 4G signals under China Mobile's three major operators. Unicom and China Telecom. If one of the operators has a bad signal, you can call the operator to find out. After installing a mobile phone signal jammer, there is no way to avoid it within the shielding range. The only way is to install a signal amplifier. After the signal is amplified, it is difficult to block cell phone jammers.