The main purpose of a cell phone jammer is to block cell phone signals in a specific area. Therefore, when you are looking for a jammer, you should consider what type of cell phone signal you want to block. Since 3G and 4G mobile phone signals are mostly adapted, the jammer should be able to block 3G and 4G mobile phone signals. The equipment can meet this demand. In addition, this is an optional model, so you can choose to block all kinds of cell phone signals you want in different situations. All you have to do is press the button, because this device is very easy to understand and operate.
Other details are also very attractive. The interference distance can reach 20 meters, which is enough to cover the test room or conference room. The signal from it will not cause harm to people's health. More importantly, the size of the mobile phone signal jammer is 220x202x65mm and the weight is only 0.65 kg, which makes it very convenient for you to take it away.
If you need a cell phone signal jammer, you can try this, and of course you will find that your investment is worthwhile.