Portable Cell Phone Scrambler Ebay
Mobile phone signal jammers have become standard equipment in the exam room. Not only the high school and college entrance examinations, but also postgraduate exams, civil service exams and various qualification certificate exams, mobile phone signal jammers are needed to prevent candidates from communicating with the outside world through wireless signals. The current Portable Cell Phone Scrambler Ebay is full-band. It can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and Telecom. Its principle is to interfere with the frequency it emits. The mobile phone receives the frequency sent by the base station and the wireless router, so as to achieve the purpose of shielding them. cell phone jammer
EO-08-007 8 Bands Portable Cell Phone Jammers 2G 3G 4G LTE Lojack GPS WiFi
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
New 12 Antennas Desktop Mobile Phone 3G 4G 5G Jammer WIFI GPS LOJACK UHF VHF
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.
EO-10 Military Cell Phone GPS WiFi Lojack 433/315/868MHz Jammer
As the newest military-grade product, the advantages of this cell phone signal jammer are obvious. It has the characteristics of large jamming range and multiple jamming frequencies bands. It can block all cell phone signal(GSM/CDMA, 3G, 4G, 4G LTE), Lojack, GPS, WiFi, Walkie-Talkie UHF/VHF and RF signals like 315 MHz, 433 MHz, 868 MHz.