KNX RF/TP Coupler 672

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The KNX RF/TP Coupler 672 is a compact KNX radio coupler. It connects KNX RF devices of a radio line with the KNX Bus Twisted Pair. The device has a filter table (8k byte). The coupler supports long frames and is compatible with the ETS® software ETS5 or higher.

The buttons on the front panel allow disabling the telegram filter for testing purposes. The LEDs indicate operating conditions as well as communication errors on the KNX bus. The power is supplied via the KNX bus (main line).

Mechanical data

  • Housing: transparent plastic (ABS)
  • Matches in 55 mm flush-mounted box
  • Dimensions: 48 x 40 x 18 mm
  • Weight: approx. 20 g

Power Supply

  • KNX Bus approx. 10 mA


  • Connector for KNX Bus (red / black)
  • Internal antenna

RF Interface

  • KNX RF, ISM Band 868,3 MHz, FSK
  • Output power: 6dBm