Made of double 2.5 mm stainless steel plate, complete with 12 stainless steel pushbutton keypad illuminated from the rear, 16-character alphanumerical display for showing the call codes and interactive messages with the user (engaged, etc.). Also carries out the coded access function with 300 possible different codes with 6 digits. The device controls the relay on board Art. 3262 and 3268. With the PC software Art. 1249/A, it is possible to download codes (up to 6 digits) for calls with indirect addressing. Dimensions: 106X106X56 mm. From the RI10 it is compatible with all Simplebus 2 functions and products. It allows call addressing for up to 120000 users.