The protocol that solves the transmission quality of data between networks by wireless means is called wireless transmission protocol. In order to ensure data security in terminal wireless transmission, wireless transmission protocol plays a vital role. Some common wireless technologies include infrared ray, bluetooth, GPRS, CDMA1X, etc.WiFi is also called the IEEE802.11 standard b, a long distance, the biggest advantage is that the transmission rate is high, can reach 11 MBPS, compatible with 802.11 device, belonging to the office and home use short distance wireless technology, use frequency is near 2.4 GHz band.

Wireless transmission USES radio waves for data transmission. Its frequency will be interfered by the wireless scrambler, and the signal will be sent to the frequency action that is communicating to prevent communication. Wifi jammers are on the market. Radio waves are so weak that even small outputs can be disturbed. If you need to buy this product, you need to buy it over the Internet. The positive effect is that privacy can be protected. It helps solve problems related to wireless frequencies. Besides, it is active in many places. If you talk on your cell phone in public places, you may interfere with others.

Bluetooth transmission as a kind of wireless data and voice communication open global specification, bluetooth at low cost wireless connection from close range as the foundation, build connection for fixed and mobile equipment communication environment, complete the short-range wireless transmission. Any bluetooth device once search to another bluetooth device, can connect immediately, without any setup user, bluetooth transmission technology has low cost, low power consumption, small size, short distance communication, many characteristics with good security.

In view of the present common wireless transmission signal, a wireless transmission appeared on the market disorder, can prevent this kind of a range of wireless transmission, which between them cannot be establish normal transport channel, for short distance wireless transmission students cheat, this kind of equipment is very important, because has already blocked the use of mobile phones, mobile phone wifi jammer and wireless transmission don't need a cell phone signal can reach the function of data transmission. Therefore, during the important examination period, the school will turn on the multi-function mobile wireless bluetooth wifi scrambler device.

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