Available Accessories FERMAX2520 | MEMOKEY 100-C module FERMAX FERMAX 2520 €302.20 Telephone type keyboard that allows the opening of the door by entering a previously programmed code of up to 6 digits. Module to incorporate in plates with viewer. Autonomous access control system. For installations in which simple access control is required, without registering incidents, to complement the electronic door entry system and allow... Add to basket