See picture of measurement report

The graphene is placed over the antenna and mounted a little differently depending on the manufacturer

According to independent measurements from Verkotan

silikon och många andra material

Plånboksfodral iPhone 6-8 Magnet Wallet (Blue) iPhone 6S Plus See picture of measurement reportAs an alternative to aluminum shells, we have also developed a concept with graphene and wave trap that is available. All of these covers are equipped with a wave trap at the bottom and the graph that is mounted at the back of the phone. Graphene is a supermaterial that is 200 times stronger than steel and blocks radiation better than any other material. This discovery was awarded the Nobel Prize in 2010. (See link graph). The graphene directs the