The German government's health protection agency recommends the public reduce their  exposure to high frequency radiation to minimise health risks. It recommends:

• remove cordless DECT phones

• use cabled connections rather than wifi and bluetooth
  

• site wi-fi access points away from people, including at work 

The Frankfurt City Government  and the Bavarian Parliament have recommended against installation of wi-fi in schools. 

Read more about alternatives to cordless DECT phones, wifi and bluetooth...