Do mobile phone shields reduce exposure?
Mobile phones and EMF FAQ
Do mobile phone shields reduce exposure?
No. Mobile phones are designed to use the lowest possible power to connect to the nearest base station and automatically adjust the power depending on the environment.
If a shield or other device is placed on a mobile phone to reduce exposure, the shield will effectively block part of the radio signal (or reception), and the phone will automatically adjust the power to compensate for any loss of signal.
The WHO notes that: