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The utility model can effectively shield 4G mobile phone communication signals, and has the same effective shielding effect on 4G WIFI signals. When someone is using a cell phone or certain electronics, they cannot send and receive messages within this shielded area. Only candidates who work hard in the exam room can have a fair and stable order, and this exam alarm system exam Randomly Scramble Cells Google Sheets runs very quietly and does not make any noise. It also ensures that the examination room must be very quiet, and this shielding method does not harm the human body, and candidates can answer questions safely inside. In order to choose a professional cell phone jammer , you need to choose the right professional manufacturer. Below is a good suggestion. Welcome to contact Beijing Aidexin Technology Development Co., Ltd. Come to know the price of signal screen. Here we can provide professional cell phone jammers and perfect shopping. This program makes shopping very convenient for customers and we look forward to customers coming. Cell phone jammers have been launched in the Chinese market in the past two years. Such cell phone jammers are installed in some classrooms to prevent students from cheating.

EO-P-101 Mobile Phone Signal Jamming Holster

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This cell phone network blocker holster can effectively jamming mobile phone signals, so you will not be disturbed by incoming calls. When someone dials the phone, you will receive a "The user you are calling is temporarily out of service."

$100.59$191.31

New 12 Antennas Desktop High Power Mobile Phone 3G 4G 5G Jammer WIFI GPS LOJACK UHF VHF

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This powerful new mobile phone WIFI GPS 5G signal jammer is designed with 12 antennas, which can cut off all 3G, 4G, and 5G mobile phone signals, and can also block WiFi GPS LOJACK signals. The interference radius of this device can be as long as 80 meters.

$899.99$1609.21

EO-08-007 8 Bands Portable Cell Phone Jammers 2G 3G 4G LTE Lojack GPS WiFi

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This device is suitable for classroom, meeting room, library, movie theater and other places where need to keep quiet. Due to its small size and easy to hide, the device is popular with teachers and administrators. As the most popular portable mobile phone jammer, this product has a small size, easy to carry. Can block 8 frequencies, and have a very large jamming range. With a separate frequency control switch, you can select the frequency range that needs to be disturbed as needed. With car charger, can charge the battery in the car

$350.99$584.48

Desktop 12 Bands High Power Cell Phone Jammers WIFI LOJACK

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This is a high power multi band jammer. It can jamming all cell phone signals, DCS, GPS, WiFi, VHF/UHF, Lojack. It has a jamming range of up to 70 meters. Can adapt to the needs of many occasions. Very high cost performance, it's cheaper and better quality than similar products. This device has stable performance and strong interference ability.

$828.75$1247.91

Nowadays, most people know about network information. On the Internet, we can access all kinds of high-tech products, and Randomly Scramble Cells Google Sheets is high-end products that rely on the Internet to sell. Although we have heard his name, However, we don't know exactly what role it has, and many people don't even know why we try our best to shield information. In fact, this product is of high value. In many specific fields, the existence of the Internet is likely to lead to various problems. For example, in the main school, in order to correct the students' learning attitude, most of the staff will block the signal, so that even if the students The mobile phones that the party members carry secretly have no way to do things that do not conform to school regulations. In fact, in many other fields, we can also use mobile phone signal jammers. One of the common features of this screen is that All signals can be erased in an instant. We all know that where there is a signal, there is communication, and a small communication tool can shorten the distance between each other, but in many specific fields, such Our communication tools are likely to affect our relationship with each other, and may even affect our overall performance, so there are still many people who are willing to use mobile phone jammers in these special fields.

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