Akuvox Video Intercom Nametag Module for the R20K/B (MD06)The MD06 module extends R20K and R20B systems with six backlit mechanical buttons and name tags, simplifying the process of calling important numbers with speed dial features, especially for scenarios of departments, offices and rooms. The MDO6 module represents a notable advancement in convenience and functionality. Nametag module compatible with R20K R20B 6 call buttons with nametags for easy calling IP65 weatherproof rating Backlight compensation