What is the real use of jammers?

In the last two or three years, with the gradual emergence of the market for mobile phone shielding devices, the variety of shielding products for mobile phones is overwhelming throughout the mobile phone industry.
Currently on the market, mobile phone signal jammer  product is called: signal interference phone, cell phone jammer, jammer, cell phone protection device, in fact, these are the same product, is the same function, namely: a single electronic device Any electronic device can basically work on multiple communication bands including GSM, DCS, CDMA, WIFI, 4G PHS and even 3G. Shielding system in the smartphone, smartphone protection systems, alarm systems, mobile phones, in fact, these are basically the title to play, do marketing: There are some so-called OEM manufacturers or OEMs of the manufacturer of promotional practices as follows, The change in frequency, The product type or product intentionally overrides the original product representative to give the user the idea of ​​a new idea, or that the product has many improvements, such as the so-called "smartphone protection system." Obviously, a single cell phone signal jammer sells , also called "protection system", that is a malicious advertising product.
We further believe that: 4G phone jammer is a separate shielding products, can not be called the protection system, can be called a protection system is centrally controlled by means of a variety of shielding products can be integrated to provide a highly centralized control of the shielding Products to form system
I develop a series of smart phone screen management system, "the first to open before the domestic industry, based on the power of long-term programs technology integration of intelligent management of (220V / 110V / 380V, 50Hz / 60Hz) to support the control signals to transmit, remote control devices installed on the use of multiple units (usually more than 10) computer signal interference, mobile phone jammer Can achieve the point control, group control, total control, can periodically check and plan any plan can automatically query, Automatic alarm automatically prompts for phone jams or signs, etc.
Welcome all dealers and new and old customers to buy our new products to consult, so we never cheat a customer, truth products to help customers choose their own jammer to say, with the least money at the most good product and service.