maybe you want to buy coby jammerz review

For those teachers that are troubled by students distracting others by using their phones during class, a classroom 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.If you have a stronger cell phone jammer, the antenna will be external in order to provide better range and coverage. Adjustable units have the added benefit of being able to be ‘tuned down’ so as not to block in adjacent areas.

For a simple jammer that will knock out the cell phones of the students in a small classroom, an overly powerful is not necessary.  In very small rooms, you may be able to use a pocket jammer, which looks like any ordinary cell phone.Recently there have been reports released about a new phenomenon, “cyber bullying”, where students electronically torment others via text messaging and social networks, when they should be paying attention to lectures.  This illustrates one additional reason for teachers to be aware of classroom cell phone use, and why many are opting to use jammers to regain control in their classroom.

A mobile phone signal jammer is a device that blocks reception between cell towers and mobile phones. Developed for use by the military and law enforcement, these Coby Jammerz Review were originally created to combat threats like cell phone-triggered explosives and hostage situations.The range varies, however in most cases if someone needs to make a call, they can simply step outside the classroom and make the call without disturbing others.  In case of emergency, or between lectures, the unit can be simply switched off and all signals are instantly restored.