Why use jamming device in western restaurant?
Generally speaking, the western restaurant for dining environment is very attention. As a result, we often can see at the entrance to the restaurant for your clothes clean, at the same time can not talk loudly in the dining process. Of course, to go to western restaurant, this is the basic manners. But you can never guarantee, each diner is then know the etiquette.
Therefore, in order to avoid your table during a meal by the chatter of disturb. So, some western restaurant will use a device called cell phone jammer. Mainly is to ensure that the guests can quiet eating at a restaurant.