FRITZ!DECT 301 (EU): what it works with

AVM · model FRITZ!DECT 301 · For Europe

Fitting standard M30×1.5 radiator valves, with a Danfoss RA adapter in the box, the FRITZ DECT 301 is a battery thermostat that talks DECT ULE to a FRITZ Box. Home Assistant reads it from the FRITZ Box. AVM's pages do not confirm Apple Home, Google Home, Alexa, SmartThings or Matter for this model.

Checked against 4 sources on

Ecosystem compatibility

PlatformWorks?Details
MatterUnconfirmedAVM's FRITZ DECT 301 pages do not mention Matter. AVM's July 2026 press release says FRITZ Smart Home devices on a FRITZ Box 5690 Pro (FRITZ Lab) or a FRITZ Smart Gateway can be bridged to Matter, but names only the Thermo 302, not the 301.
Apple HomeUnconfirmedAVM's 301 pages don't mention Apple Home; Matter bridging for this model isn't confirmed.
Google HomeUnconfirmedAVM's 301 pages don't mention Google Home; Matter bridging for this model isn't confirmed.
Amazon AlexaUnconfirmedAVM's 301 pages don't mention Alexa; Matter bridging for this model isn't confirmed.
SmartThingsUnconfirmedAVM's 301 pages don't mention SmartThings.
Home AssistantVia FRITZ!BoxHome Assistant's FRITZ SmartHome integration reads thermostats from your FRITZ Box as climate entities; the page lists the 301 as FRITZ Smart Thermo 301 (formerly FRITZ DECT 301).[4]

“Via Matter” means you add it with that platform's Matter controller instead of a brand skill or app. “Unconfirmed” means we couldn't find an official source either way. How we verify.

Specs that matter for setup

Radio
Unconfirmed
Hub required
Yes[2]
Local control
Unconfirmed
Type
Radiator valve[1],[2]
Controls
Radiators with M30×1.5 valves (Danfoss RA adapter included)[2]
Power
2 × AA[2]

Before you buy

Quick answers

Does the FRITZ!DECT 301 (EU) work with Apple Home?
Not confirmed. We couldn't find an official source either way. AVM's 301 pages don't mention Apple Home; Matter bridging for this model isn't confirmed.
Does the FRITZ!DECT 301 (EU) work with Google Home?
Not confirmed. We couldn't find an official source either way. AVM's 301 pages don't mention Google Home; Matter bridging for this model isn't confirmed.
Does the FRITZ!DECT 301 (EU) work with Amazon Alexa?
Not confirmed. We couldn't find an official source either way. AVM's 301 pages don't mention Alexa; Matter bridging for this model isn't confirmed.
Does the FRITZ!DECT 301 (EU) work with SmartThings?
Not confirmed. We couldn't find an official source either way. AVM's 301 pages don't mention SmartThings.
Does the FRITZ!DECT 301 (EU) work with Home Assistant?
Yes, but only through the FRITZ!Box. Home Assistant's FRITZ SmartHome integration reads thermostats from your FRITZ Box as climate entities; the page lists the 301 as FRITZ Smart Thermo 301 (formerly FRITZ DECT 301). More smart thermostats for Home Assistant

Sources

  1. FRITZ!DECT 301 — AVM manufacturer · accessed Oct 25, 2026
  2. FRITZ!DECT 301 - Technical specifications — AVM manufacturer · accessed Oct 25, 2026
  3. More interaction in the smart home: The new FRITZ! Lab turns the FRITZ!Box 5690 Pro into a Matter bridge — AVM manufacturer · accessed Oct 25, 2026
  4. AVM FRITZ!SmartHome - Home Assistant — Home Assistant ecosystem · accessed Oct 25, 2026

Official product page: en.fritz.com

Compare the FRITZ!DECT 301 (EU)