I can't stand people talking on the phone in public any more. Every day I can hear all kinds of loud calls. Like a woman talking about her cosmetics. Or a lady talking about her family's menu tonight. So I want to know how to block cell phone signals? I need to be quiet

It is said that privacy in the United States is increasingly difficult to protect. My neighbor's car was recently fitted with a GPS tracker by his wife, who discovered the truth about his infidelity. I think it's very scary, it's completely private, so I wonder if I can buy a device that can block GPS signals. If can buy it, where I you buy it?

It is said that GPS tracking devices are now easily available in the United States to track individuals. I am very worried about this. I don't know when I will be followed by others. So I want to know how to block the GPS tracking of the vehicle

I've heard that GPS trackers are now easily available in the United States, and there are often people who do it illegally. So I was very worried about my privacy and whereabouts being leaked. So I was very worried about my privacy and whereabouts being leaked. So, I want to know what frequency civil GPS generally USES, I want to block such signals, to protect their own security

I learned on the Internet that there is something called a cell phone jammer. I am very interested in this kind of products and would like to know can I buy this kind of equipment in US.

I've heard that the security of smart devices is getting worse recently. Many hackers can use WIFI and bluetooth signals to break into smart devices and steal personal data and bank accounts. So, I want to know how to block the bluetooth signal to make sure my smart device is safe.

I'm a techer. Although I know that using mobile phones can help students learn more knowledge. But I still can't stand it when students use mobile phones to chat or surf social software in class. I've heard that there's a device called a cell phone signal jammer that can jam cell phone signals. Can I buy and use it?

Although I've heard about cell phone signal jammers for a long time, and this device has been mentioned more and more in recent years. But I don't know what the uses of such devices is.

Although drones are one of the hottest topics at the moment, they have brought us a lot of convenience. However, due to the misuse of drones, they are often used for some illegal and criminal activities. Our privacy is also at stake, and there are often drones with cameras passing through our yard. So I wonder that can I jam a drone signal?