How to locate emf hacker

Although people long ago know electromagnetic field(Emf) Can right electronic equipment produce some strange influence， but up to date experiment return reveal got it set more complex of technology —— pass mechanical arm and multiple antenna array list， remotely simulation finger right multiple capacitive touch control screen equipment of operate . © Depend on cnbeta.com supply research personnel demo based on remotely electromagnetic accurate Position Of touch screen equipment“ invisible finger” attack method should method involving use a pair hide of antenna array list come accurate locating