Internal bus expansion board, allows integration of Bluetooth technology in the door stations Alba or Hero series for easy system programming via "DUO System" app. It allows access control simply via smartphone with dedicated apps (Farfisa Smart Access and Farfisa Smart Dial), available for free on App Store and Play Store. With Farfisa Smart Access, you can open the lock via virtual keyboard and personal numeric code or with a simple screen touch, in case the smartphone has been previously associated with the device. It can be used as an alternative to the proximity reader module. As regards Farfisa Smart Dial the smartphone acts as door panel to effect the call, in order not to get in touch with external stations. Both apps are part of the "notouch / nocovid-19" project with which solutions are offered in order to contain the covid-19 pandemic.