Technical specifications


  • Weekly schedule with up to eight switching points a day
  • Button for changing the room temperature manually
  • Function keys for antifreeze and boost (fast heating)
  • Vacation switching
  • Group switching (multiple FRITZ!DECT 302 and/or 301 are combined in a group/room)
  • Configurable temperature offset
  • Records the temperature over the last 24 hours
  • Display measured temperature and configure target temperature in the FRITZ!Fon, FRITZ!Box user interface or FRITZ!App Smart Home
  • Push service informs about loss of radio connection or low battery
  • Intuitive setup in the browser-based FRITZ!Box user interface
  • Control via PC, notebook, smartphone or tablet – or on the go, online and with the FRITZ!App Smart Home
  • Display content can be rotated in 90 degree steps
  • Configurable open window detection
  • Keylock ؘ– separately for radiator control and remote access
  • Limescale protection
  • Antifreeze function
  • Secure integration into home network via DECT ULE
  • New features thanks to automatic updates

Device properties

  • Dimensions (W x H x D): 51 x 51 x 90 mm
  • Weight: 150 g
  • Batteries: 3 x AA/Mignon/LR6
  • Wireless standard: DECT ULE
  • Radio range: up to 40 meters indoors
  • Operational at an ambient temperature of 0°C to 50°C

Installation and adapter

  • Fits all common radiator systems (standard valve M30x1.5mm - Heimeier, Junkers, MNG, Braukmann, Oventrop, Honeywell, Landis+Gyr).
  • Adapter for Danfoss RA radiator valve included in delivery
  • You can find more information on installing on rare or very old radiators in the Knowledge Base

Package contents

  • FRITZ!DECT 302
  • Adapter for Danfoss RA radiator valve
  • 3 x AA batteries (in device)
  • Quick guide

System Requirements

  • FRITZ!Box with DECT (except FRITZ!Box 7312/7412)
  • FRITZ!OS 6.83 and later

Article number

  • 20002961