Panasonic Card KX-TDA6381The **Panasonic KX TDA6381** is a **digital extension card** designed for use with the **Panasonic KX TDA** and **KX NCP** series PBX systems. This card allows for the connection of digital telephones or other compatible devices, expanding the number of digital extensions that can be supported by the system. Key features include: **Supports 8 Digital Extensions**: Provides 8 ports for connecting Panasonic digital phones or other digital devices.