SlimKey - code keyboard - Alphatech (en)

SlimKey-code keyboard - works independently, just connect 12V, programmed from the keyboard from the PC via a USB cable
Allows you to use a maximum of 10 codes, has deactivated the optical and acoustic alarm. Includes input for exit button.
In connection with SlimDP produce a structure which can be controlled from the keyboard in the keyboard relays in SlimDP, then you can dial phone numbers from the keypad, the phone can switch a relay in the keyboard. More advanced possibilities of linking the SlimDP SlimKey find the instruction manual.