Up to 2 radio receivers from the FS20 system can be triggered with the 2-channel door/window contact FS20 TFK according to criteria which can be set separately. It adopts the contact opening & closing message for 2 internal reed contacts which are triggered by a magnet, or externally connectable contacts. These contacts can monitors doors & windows or other flaps, drawers, locks, step & make contacts. The reed contacts can be triggered either on the left or right by the FS20 TFK, so that the device can be used very universally. ...

Two connection variants are at your disposal: You can supply the transmitter via the in-built, long-lasting lithium batteries or can even attach an existing, external bell button by means of two wires Alternatively, you can connect the transmitter parallel to the existing bell inside. ...

The energy-saving regulator for the heat sinks regulates the desired room temperature. The actuator moves the valve, in order to control the heat flow at the heat sink. With the energy-saving regulator, up to 3 heating times with individual temperature

Specification can be stored for each weekday. Two heating phases from 06:00 to 09:00 hours & from 17:00 to 23:00 hours are factory-set for all weekdays. The regulator fits all standard radiator valves &, without opening the heating circuit, screwed entrance only to the existing valve The large illuminated display provides for a comfortable use.
Suitable for Heimeier & Danfoss RA-, RAV-, RAVL-radiator valves. Additional valve adapters for other radiators are offered separately.


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Stereo in UKW-like quality in larger range of short wave. An Quarz oscillator, makes your radio in connection with a PC to DRM-receiver (Digital Radio Mondiale) You can blend the receiving signal at the frequency point of the sound card & place a DRM-decoder to the PC. Four Quartz with the necessary frequency. The oscillator can be set for other tasks also, e.g. as wave generators, character generators or as small AM-sender ...

A combination device that combines the functions of a doorbell button, expansion transmitter & alarm. This feeler has different connection possibilities: Potential-free connection on button with & without illumination &
- parallel connection with existing bell or intercom system
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