Decorate your iPhone 4/4S with an Anti-Radiation and Scratch-Resistant back plate sticker, while protecting signal strength.

WHO (World Health Organization): electromagnetic fields produced by mobile phones are classified by the International Agency for Research on Cancer as possibly carcinogenic to humans.
(http://www.who.int/mediacentre/factsheets/fs193/en/)

FEATURES
· Anti-Radiation
· High resolution digital printing
· Scratch resistant
· Re-adherable
· 300um think, easy to replace
· Authorized lab verified: ~3dB less radiation for 3G & negligible effect to 3G data communication
· EM radiation test with TES-92 (50MHZ-3.5GHZ, 3D measurements):

* Specifically designed for iPhone 4/4S.
** phone not included.