Many people do not have any idea about GSM, actually we use it everyday. GSM is short for Global System of Mobile Communication. It is the most widely used mobile telephone standard in the world now. More than 200 nations and regions and more than 1billion people are using GSM telephone. The biggest distinction of GSM standard compared with the old standard GSM is his signaling and voice channel is digital, so GSM is regarded as the second generation (2G) mobile phone system. This shows that digital communication from very early have been built into the system. GSM is a open standard developed by the 3 GPP currently. GSM is a cellular network, that is say mobile phone need to connect with the nearest cellular unit area which it can search to . GSM network operating in a number of different radio frequency.
Because of more 1 billion people use this GSM phone, so that you suffered lots of inconvenience of GSM phone. In cafes, theaters, libraries, restaurants, meeting halls and so on, you must have many unpleasant experience about those noises of cell phone.
Fortunately, we have a variety kinds of GSM jammers and it can be used in almost all public places we mentioned above. Our GSM jammer is with the latest design and a lot of sizes, colors, frequency ranges and bands. So we are quite sure that in our website you can get the best product you need and this will be a pleasant shopping experience. Because we are very confident about our products and service. You will definitely have a better life with our jammers!