The telephone signal suppression module can be assembled to block external mobile phone signals and create a more secure network environment. It is cost effective and requires less shipping costs than an off-the-shelf muffler product.
The telephone signal suppression module is small and lightweight, and customers can choose the appropriate power and frequency according to their needs.
The telephone signal suppression module is usually used in life when assembled into a finished signal jammer product, such as in business and secret meetings and lectures, using it can effectively prevent others from leaking important confidential information at secret times.