As the mobile communication technology rapid develops, the mobile phone (cell phone) is well welcomed by various users for its convenient and quick advantages with no limitation of time and place，and the user has been increasing. Relevant data shows that the amount of using the mobile phone jammer in China exceeds that in America and China has become the biggest country of using the cell phone jammer in the world. The use and popularity of the mobile phone in the global range greatly promote the comprehensive development of the politics, economics, military affairs, science and technology, culture and so on of every country in the world. As the symbol of the informatization society, the cell phone has been becoming one of the indispensable tools in people’s daily life and workOur company is the manufacturer to specifically produce the cell phone jammer. Sales of our company are far ahead of those of other rivals in the industry by means of many years’ product research and development experience and good product quality. The product has been widely used in various fields, such as examination room, jail, detention house, meeting room, secrecy bureau, army, and petrol station and so on where using cell phone is forbidden. Our product has been used in any city in our country. In recent years, market demand of the cell phone jammer in the education and examination department has been increasing.

Our company becomes the best supplier of the education and examination department in Shandong, Hebei, Liaoning, and Henan and so on. The product is stable in performance, convenient in operation and aesthetic in appearance. Our product adopts modularization design and shielding frequency can be customized according to requirements of customers so that a certain frequency range can be shielded and the whole frequency range can be shielded. GSM of China Mobile of GSM of China Unicom can be divided.

A new unit of cellular phone jammer has been developed for the commercial 3G cell phone to only shield 3G, as the supplementary for the old customer to reduce the repeated investment. The product forms the following types of YX-1000 series: YX-1000I, four channels, adjustable radius of 20-60m, be on for 24h, be applicable to examination room, meeting room, jail, detention house, army, confidential unit and so on; YX-1000II, four channels, unadjustable shielding radius of 40m, be on for 24h, be mainly applicable to the meeting room, examination room, army, confidential unit and so on; YX-1000III, built-in antenna, shielding radius of 25m, be on for 24h, be mainly applicable to the examination room, meeting room, army, confidential unit and so on;

YX-1000 anti-explosive type, adjustable shielding radius of 20-60m, be on for 24h, be mainly applicable to such flammable and explosive locations as the petrol station, gas station and so on; YX-1000 handheld type: shielding radius of 10m, be mainly applicable to inner vehicle, business negotiation and so on; YX-1000 3G type: shielding radius of 25m