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The Truth About Electromagnetic Radiation
Hearing aid wearers often wonder how much electromagnetic radiation are released by their wireless hearing aids and whether this may affect their health. Below, we have put together all the relevant facts about Phonak hearing aids so that you can judge for yourself.
All radio systems such as smartphones and connected hearing aids are sent to an external testing laboratory which test for their SAR values. SAR stands for Specific Absorption Rate (SAR) and indicates the extent to which electromagnetic fields are absorbed by the user, causing warming. The specific absorption rate is expressed as power per mass of the average user and is measured in Watts per kilogram. Each country or region sets a maximum SAR value for each product.
The maximum allowed SAR value for a mobile phone today is 2 Watts per kilogram.
The Apple iPhone 13 Pro Max 256 GB has an SAR value of approximately 1.0 Watts per kilogram.
In comparison, a Phonak hearing aid with connectivity has an SAR value of less than 0.001 Watts per kilogram, a number so low that it is exempt from the SAR test (see attached document).
According to the attached document from the Swiss Confederation, the following tips can help you reduce exposure to radiation from your mobile phone:
- Use low-radiation Bluetooth headphones or hands-free kit (power class 2 or 3) to reduce head exposure.
- Use modern mobile networks, such as LTE (4G) or UMTS (3G), which have a lower radiation than the old GSM technology. Set your device accordingly or contact your dealer.
- In the train, use a WLAN connection to make calls or exchange data, if available.
- Beware of protective or anti-radiation accessories that are supposed to reduce radiation! If they interfere with the quality of the connection, the phone must transmit at a higher intensity.
- Wearers of electronic medical implants must respect a distance of 30 cm between the mobile phone and the implant.