The SAR value for FRITZ!FonWhen in use, cordless telephones emit electromagnetic radiation that causes warming of the body tissue. The SAR value (SAR = specific absorption rate) indicates how much radiation the human body absorbs in W/kg (Watt per kilogram). Like the majority of other manufacturers of DECT devices, we do not indicate the SAR value for this device class because the SAR value for...
> https://en.avm.de/service/knowledge-base/dok/FRITZ-Box-7690/456_The-SAR-value-for-FRITZ-Fon/
CAT-iq supportAlthough the FRITZ!Box is not CAT-iq certified, it supports many of the services and functions defined in CAT-iq. For example, the FRITZ! function "HD telephony" complies with the new standard and is therefore fully compatible with all CAT-iq-based products for HD telephony available on the market. CAT-iq 2.0-compatible cordless telephones from other manufacturers can also use...
> https://en.avm.de/service/knowledge-base/dok/FRITZ-Box-7690/925_CAT-iq-support/