In schools, students want to study safe and quiet, but many schools have the same problem, more and more students are using their mobile phones while studying, playing games, chatting and reading texts, they may forget that they are in the classroom, they Has affected the learning of other students. How to create a safe and quiet environment for school classrooms? How to improve learning efficiency? How to get students to forget their phones in class? We recommend the test room cell phone jammer with 8 antennas for classroom use. In every classroom, we can mount cell phone jammers on walls, ceilings and desks and make them work well there. 2G 3G 4G phones will lose signal after the cell phone jammer works. At the same time, the wifi gps signal will also be blocked, so students have no signal available in class and they can no longer play with their phones. Learning efficiency will be greatly improved. Most importantly, they can focus on their studies and lessons. Of course, all cell phone jammer devices are installed only in classrooms, allowing these devices to work during study time, other times, and elsewhere, no cell phone jammers are required, and students have more living space.

As a start, we should mention that a signal blocker can block any signal from your phone. If you are a businessman, you will know this very well. With a jammer like this, you don't have to worry about threats on your phone because no one can hear you. Of course, every businessman feels safe on the phone if he is using a jammer. If you block your phone's signal, you won't have to worry when you talk. Another benefit is that you can block interruptions caused by the ringing of your phone while having important conversations with a cell blocker. Imagine you're in the middle of a big deal and someone's phone rings. With the help of a signal jammer, this doesn't happen. Your phone will ring before it gets blocked, and after you disable the blocker, you will receive a voicemail notifying you of missed calls.

10 Antenna Cell Phone Signal Jammer

Can wifi jammers also solve the crisis?
You might be hard-pressed to imagine that a WiFi blocker can prevent terrorist attacks. This is because most terrorists are using GSM frequencies to communicate and remotely control bombs and if you stop them they won't be able to do anything. Terrorism is a major concern in various countries, so having a WiFi blocker is a great way to protect employees and save hundreds of lives. If you're not used to using a WiFi blocker, it may be time for you to reconsider your decision - the advantages of owning such a device are many. As long as you buy a WiFi blocker, you will realize this and make your home and office safer. Cell phone shielding devices interfere with cell phone signals by sending signals at the same frequency and high enough power so that cell phone signals cannot receive base station signals. Cell phones are designed to increase power when encountering low-level interference, so wifi jammer must recognize and match the power increase of the phone.

High-quality GPS jammer devices have recently become very popular due to their extraordinary advantages. These high-quality GPS blockers can help you maintain privacy and protect you from unwanted attention by interfering with various spy devices. A high-quality GPS blocker helps you keep your valuable data and information safe by acting as a shield against theft and theft. No matter who you are or where you are, a high-quality GPS blocker will help protect your privacy. It is a high quality gps jammer designed to block this high frequency signal. GPS signals have one major disadvantage, that they block both Bluetooth and wireless signals due to their matching frequencies. There are various types of high-quality GPS jammers that can be used to block GPS signals of different frequencies. Portable high-quality GPS jammers are still popular even among this type due to their size.