Choose quiet places for your mobile phone calls. Even a centimetre of extra space between the aerial and your head significantly reduces exposure. Lower power output Not all mobile phones put out the same amount of power. The difference in output may result in different exposure to the user. Choose a phone with a power output suitable for your purpose.
Some mobile phones use shields to reduce exposure to the user.
For most types of shielding there is little data to demonstrate effectiveness. Some shields may however be effective and new technology is becoming available. Before buying, check for data that proves the shield is effective during use. A small, smart looking handset may not reduce exposure as effectively as a bulkier model. Ask the company selling you a mobile phone to explain the differences.