portable mobile cell phone gps lojack wifi jammer
In order to continue to develop communication standards, the third-generation 3G mobile signal jammer has been well developed according to the actual situation of foreign mobile communication. After installation, open the isolation switch and turn on the power switch for wifi interference. I lost the base station signal. Neither the called party nor the called party can make calls.
GSM mobile phone frequency is 900 MHz / 1800 MHz, CDMA is 800 MHz, PHS is 1900 MHz. wifi jammer usually results in four frequency bands of frequency interference. Portable jammers are powered by electromagnetic signals that radiate into the working band of mobile phones across the country and block communications only from mobile phones.