The PTM 250 Radio Transmitter is a universal, extremely flat wireless switch insert with a maintenance-free energy generator.
This universal switch insert fits in numerous frame types from various installation material suppliers. The base plate can be glued or screwed into position for easy attachment to glass as well as plaster. Integration into the frame is similar to universal inserts for antenna sockets.
The switch insert is delivered without frame. Frames must be ordered separately from the desired manufacturer!