Cell Phone Scrambler Remote Control Jammers
If you are a teacher or a student that is tired of other students gabbing away on their phones during class time, a classroom cell phone jammer may be exactly what you need. With these devices, you can stop the conversations instantly, prevent students from cheating on exams, and stop class disruptions caused by cell phone ringing and buzzing. Adverse impact of mobile phones, of course, also more than that Studies have shown that long-term use of mobile phones tends to reduce attention. That's why education is often the main buyer of jamming devices.
A jammer is a device that prevents cell phones from receiving signals. The jammer used on the Red Line was the size of an old school Game Boy and had five antennas. To activate it, the man simply had to press a button on the top of the device and every surrounding call would drop. Just as a parent has the ability and right to cut off the Wi-Fi at home, they should have the option to cut the cellular signal if desired. Grabbing phones from hands to put them in airplane mode probably won't work, and making the house into a Faraday cage is an extreme only the tin-foil hat crowd should try. But an in-home cell phone jammer should be an option whenever desired or necessary. Concert goers, Broadway aficionados, film buffs, and many more would not need to worry about such rudeness if theaters utilized jammers that kicked in the second the lights dim. Sure, there's always emergencies, or doctors on call, or parents who must be sure the baby-sitter can reach them, etc. But those people should find a different way to spend their night out.
8 Bands Handheld Cell Phone Jammers 2G 3G 4G
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. Generally speaking, the larger the interference range, the stronger the interference performance, the heavier the jammer device, and it is inconvenient to carry. But the device is an exception. This 8-band handheld jamming device not only has a good jammer performance, but also has a large block range. From all aspects of performance, not weaker than the desktop jammer. It is a very cost-effective product
$350.99$584.48
Mini Type Cell Phone Jammer Device 2G 3G WiFi GPS
This is a mini hidden type multi - purpose jamming device. First of all, the design of this device is very portable. The size of 20mm*20mm*26mm can be easily put into pocket or backpack. Second, the device has a very strong concealment. The device looks like a portable power source, can ensure that you are not easily perceived by others during your use. Third, although the device is very small, but it can also interfere with multiple signals. Whether you need to block cell phone signals or WIFI signals or GPS signasl, this device can meet your requirements.
$460.89$692.52
Power Adjustable 8 Bands Cell Phone Signal WiFi GPS Jammer
As a multi-function desktop jammer, this product can block 8 frequency bands. It has very , the jammer range is large, the interference signal output is stable. It has a single frequency switch, and can adjust the output power and control the jamming range.
$620.49$1200.81