As one of the indispensable equipment for the technical defense of the college entrance examination examination room, the wifi jammer has developed from the earliest 2G/3/4G/signal jammer to the current 5G communication wifi signal jammer, and the school examination room will choose to update it to achieve better Good jammer effect, so it can be seen the importance of wifi jammer device in the examination room of the college entrance examination.
As a college entrance examination test room, how should we choose to purchase the latest 5G version of the wireless wifi bluetooth jammer? Before purchasing, let's first understand which standard frequency bands are included in the mobile communication network. The 5G signal jammer shielding frequency bands mainly include CDMA, GSM, DCS, TD- SCDMA (3G1), WCDMA (3G2), 4G/E, 4G/D/5G mobile phone signal, 2.4G and 5.8GWIFI, walkie-talkie VHF/UHF and other signals. The frequency bands that need to be shielded will be different for each test room environment. These shielded frequency bands can be shielded according to the needs of the test room. That is to say, according to the needs of the customer, you can configure the signal frequency bands that need to be shielded.
There are two common configurations in the college entrance examination room. One: shielding CDMA, GSM, DCS, TD-SCDMA (3G1), WCDMA (3G2), 4G/E, 4G/D/5G mobile phone signals, and 2.4G WIFI signals.
Configuration 2: Radio and television 5G, CDMA, GSM, DCS, TD-SCDMA (3G1), WCDMA (3G2), 4G/E, 4G/D/5G mobile phone signal, 2.4G and 5.8G WIFI signal.