Welcome To Perfectjammer This Is The Most Professional Jammer Store, We Guarantee To Provide Your With The Highest Quality And The Cheapest Products

Black Friday Promotion Mobile Black Friday Promotion

Radiation Blocking Cell Phone Case And Environment Related

Perfectjammer 2022/04/04

Radiation Blocking Cell Phone Case

The shielding range of the mobile phone jammer is determined according to the size of the Radiation Blocking Cell Phone Case power supply. If the on-site test is based on the strength of the local environmental signal, the shielding range is different, for example, the weak shielding range of the indoor signal is large, and the outdoor use accessories include GSM base stations. The GSM signal is close to the outdoor shielding range! As we all know, 2G, 3G, 4G and 5G: Before buying, you need to know which signals you want the cell phone jammer to block. Can selectively block ordinary mobile phone signals (2345G). If only 23G or only 34G is shielded, this can be adjusted before leaving the factory, and there are 2.4GWIFI, 5.8GWIFI and other frequency bands. Generally, ordinary signals can be quickly shielded. Shielded frequency bands: CDMA800, GSM900, SCDMA1800, DCS1800, PHS1900, TD-SCDMA (Mobile 3G), CDMA2000 (Telecom 3G), WCDMA (Unicom 3G).

In recent years, due to the multi-faceted popularity of mobile communication tools such as mobile phones, cheating using mobile communication tools such as mobile phones has become a "secret weapon" for some candidates to improve their test scores. Relying on some illegitimate means, listening to some unscrupulous traders, or organizations and individuals who make profits by providing answers, want to use their mobile phones as answering tools or transmission tools, and obtain ideal test results by fraudulent means, causing serious damage to the fairness of the test and seriousness! For other students who usually study hard and seek truth from facts, it is a great harm! In order to strictly enforce the discipline of the examination room and ensure that every examiner is fair and impartial, by installing Radiation Blocking Cell Phone Case ,

Maintenance Of Devices That Block Cell Phone Reception Is Very Important Does Rfid Block Cell Phone Radiation Reduce Radiation