portable 12 antennas signal jamm ers shields gps wifi lojack bluetooth gsm 2g 3g 4g 5g signal isolator, Silver

the device is used to block 3g 4g gps wifi lojack signals,it can be used in a conventional case, block ing all standard mobile and 5g frequencies. the device is used to generate white noise and suppress most mobile phone signals that operate on familiar and new generation frequencies. even the most advanced tracking, eavesd ropping, wiretapping and other anti privacy technologies are unable to work properly when they are in the working range of this product this device applies with fuzzy scanning technology to detect spy cameras,bugs,cellphones and other radio frequency devices,this device surely avoids being peeping or tapping to protect privacy or protect information being disclosed secretly..syi