Good helper of university classroom order-GSM Jammer

The present situation of the university classroom “Classes should be focused on listening and paying attention”, a phrase that even schoolchildren are familiar with, and it seems to be a joke in today’s free, mobile college classrooms. To this end, a university in this city was surprised to find that there was no signal for […]

Read More

In the Classroom Need Use a Cell Phone Jammers

Disadvantages of using a cell phone in school With the improvement of our living standards, middle school students are generally own cell phones or other electronics. This situation made a big trouble of school management. Students stay up at night, using their cell phones text messages, surf the internet,etc. By day, yawns cross over all […]

Read More