A mobile phone signal jammer is a device that uses radio wave blocking technology specifically to interrupt mobile phone signals. This product can effectively block various mobile communication frequency bands such as GSM, CDMA, DCS, 3G, 4G, etc. within a designated area. Prevent the phone from receiving and sending signals. Thus achieving the goal of prohibiting communication functions such as calls, text messages, and internet access.

The product features are as follows:

1. Efficient shielding: Adopting advanced signal interference technology. Can quickly establish a strong signal interference field in a short period of time. Effectively block mobile phone signals within the designated area.

2. Multi band coverage: Supports multiple mobile communication frequency bands. Including but not limited to GSM900/1800MHz, CDMA800MHz, DCS1800MHz, 3G2100MHz, 4G1800/2100/2600MHz, etc. Meet the shielding needs in different environments.

3. Intelligent control: Equipped with remote control and timed on/off function. Users can flexibly adjust the interference range and working time according to the actual situation. Easy to manage and use.

4. Safe and reliable: The product has undergone strict quality testing and certification. Ensure that there is no harm to human health or other electronic devices during use. Simultaneously possessing good anti-interference ability.

5. Portable and lightweight: compact design, compact size, easy to carry and install. It can be widely used in various places such as examination rooms, prisons, conference rooms, factories, warehouses, etc.

6. Energy saving and environmental protection: Low power consumption design, no heat generated during long-term operation. Meets energy-saving and emission reduction requirements.

7. Easy to maintain: The structure is simple and easy to maintain. No professional personnel are required for daily maintenance and troubleshooting.

Please note that the use of mobile phone signal jammers is restricted by laws and regulations in many countries and regions. Therefore, before purchasing and using, it is important to ensure understanding of local regulations to avoid illegal use.